diff --git a/poetry.lock b/poetry.lock
index 88a9097..29e10c3 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,10 +1,23 @@
-# This file is automatically @generated by Poetry and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+
+[[package]]
+name = "annotated-types"
+version = "0.6.0"
+description = "Reusable constraint types to use with typing.Annotated"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "annotated_types-0.6.0-py3-none-any.whl", hash = "sha256:0641064de18ba7a25dee8f96403ebc39113d0cb953a01429249d5c7564666a43"},
+    {file = "annotated_types-0.6.0.tar.gz", hash = "sha256:563339e807e53ffd9c267e99fc6d9ea23eb8443c08f112651963e24e22f84a5d"},
+]
+
+[package.dependencies]
+typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.9\""}
 
 [[package]]
 name = "anyio"
 version = "3.6.2"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
-category = "main"
 optional = false
 python-versions = ">=3.6.2"
 files = [
@@ -25,7 +38,6 @@ trio = ["trio (>=0.16,<0.22)"]
 name = "attrs"
 version = "22.1.0"
 description = "Classes Without Boilerplate"
-category = "dev"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -43,7 +55,6 @@ tests-no-zope = ["cloudpickle", "coverage[toml] (>=5.0.2)", "hypothesis", "mypy
 name = "base58"
 version = "2.1.1"
 description = "Base58 and Base58Check implementation."
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -58,7 +69,6 @@ tests = ["PyHamcrest (>=2.0.2)", "mypy", "pytest (>=4.6)", "pytest-benchmark", "
 name = "black"
 version = "22.10.0"
 description = "The uncompromising code formatter."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -103,7 +113,6 @@ uvloop = ["uvloop (>=0.15.2)"]
 name = "certifi"
 version = "2022.12.7"
 description = "Python package for providing Mozilla's CA Bundle."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -115,7 +124,6 @@ files = [
 name = "charset-normalizer"
 version = "3.0.0"
 description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -213,7 +221,6 @@ files = [
 name = "click"
 version = "8.1.3"
 description = "Composable command line interface toolkit"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -228,7 +235,6 @@ colorama = {version = "*", markers = "platform_system == \"Windows\""}
 name = "colorama"
 version = "0.4.6"
 description = "Cross-platform colored terminal text."
-category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 files = [
@@ -240,7 +246,6 @@ files = [
 name = "coverage"
 version = "6.5.0"
 description = "Code coverage measurement for Python"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -306,7 +311,6 @@ toml = ["tomli"]
 name = "exceptiongroup"
 version = "1.0.4"
 description = "Backport of PEP 654 (exception groups)"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -321,7 +325,6 @@ test = ["pytest (>=6)"]
 name = "flake8"
 version = "4.0.1"
 description = "the modular source code checker: pep8 pyflakes and co"
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -338,7 +341,6 @@ pyflakes = ">=2.4.0,<2.5.0"
 name = "flake8-black"
 version = "0.2.4"
 description = "flake8 plugin to call black as a code style validator"
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -355,7 +357,6 @@ toml = "*"
 name = "flake8-docstrings"
 version = "1.6.0"
 description = "Extension for flake8 which uses pydocstyle to check docstrings"
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -371,7 +372,6 @@ pydocstyle = ">=2.1"
 name = "flake8-isort"
 version = "4.2.0"
 description = "flake8 plugin that integrates isort ."
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -390,7 +390,6 @@ test = ["pytest-cov"]
 name = "h11"
 version = "0.12.0"
 description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -402,7 +401,6 @@ files = [
 name = "httpcore"
 version = "0.14.7"
 description = "A minimal low-level HTTP client."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -411,20 +409,19 @@ files = [
 ]
 
 [package.dependencies]
-anyio = ">=3.0.0,<4.0.0"
+anyio = "==3.*"
 certifi = "*"
 h11 = ">=0.11,<0.13"
-sniffio = ">=1.0.0,<2.0.0"
+sniffio = "==1.*"
 
 [package.extras]
 http2 = ["h2 (>=3,<5)"]
-socks = ["socksio (>=1.0.0,<2.0.0)"]
+socks = ["socksio (==1.*)"]
 
 [[package]]
 name = "httpx"
 version = "0.22.0"
 description = "The next generation HTTP client."
-category = "main"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -441,15 +438,14 @@ sniffio = "*"
 
 [package.extras]
 brotli = ["brotli", "brotlicffi"]
-cli = ["click (>=8.0.0,<9.0.0)", "pygments (>=2.0.0,<3.0.0)", "rich (>=10.0.0,<11.0.0)"]
+cli = ["click (==8.*)", "pygments (==2.*)", "rich (==10.*)"]
 http2 = ["h2 (>=3,<5)"]
-socks = ["socksio (>=1.0.0,<2.0.0)"]
+socks = ["socksio (==1.*)"]
 
 [[package]]
 name = "idna"
 version = "3.4"
 description = "Internationalized Domain Names in Applications (IDNA)"
-category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -461,7 +457,6 @@ files = [
 name = "iniconfig"
 version = "1.1.1"
 description = "iniconfig: brain-dead simple config-ini parsing"
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -473,7 +468,6 @@ files = [
 name = "isort"
 version = "5.10.1"
 description = "A Python utility / library to sort Python imports."
-category = "dev"
 optional = false
 python-versions = ">=3.6.1,<4.0"
 files = [
@@ -491,7 +485,6 @@ requirements-deprecated-finder = ["pip-api", "pipreqs"]
 name = "mccabe"
 version = "0.6.1"
 description = "McCabe checker, plugin for flake8"
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -503,7 +496,6 @@ files = [
 name = "mypy-extensions"
 version = "0.4.3"
 description = "Experimental type system extensions for programs checked with the mypy typechecker."
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -515,7 +507,6 @@ files = [
 name = "packaging"
 version = "21.3"
 description = "Core utilities for Python packages"
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -530,7 +521,6 @@ pyparsing = ">=2.0.2,<3.0.5 || >3.0.5"
 name = "pathspec"
 version = "0.10.2"
 description = "Utility library for gitignore style pattern matching of file paths."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -542,7 +532,6 @@ files = [
 name = "platformdirs"
 version = "2.5.4"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -558,7 +547,6 @@ test = ["appdirs (==1.4.4)", "pytest (>=7.2)", "pytest-cov (>=4)", "pytest-mock
 name = "pluggy"
 version = "1.0.0"
 description = "plugin and hook calling mechanisms for python"
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -574,7 +562,6 @@ testing = ["pytest", "pytest-benchmark"]
 name = "pycodestyle"
 version = "2.8.0"
 description = "Python style guide checker"
-category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 files = [
@@ -586,7 +573,6 @@ files = [
 name = "pycryptodome"
 version = "3.15.0"
 description = "Cryptographic library for Python"
-category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 files = [
@@ -627,62 +613,118 @@ files = [
 
 [[package]]
 name = "pydantic"
-version = "1.10.2"
-description = "Data validation and settings management using python type hints"
-category = "main"
+version = "2.7.1"
+description = "Data validation using Python type hints"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
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 ]
 
 [package.dependencies]
-typing-extensions = ">=4.1.0"
+annotated-types = ">=0.4.0"
+pydantic-core = "2.18.2"
+typing-extensions = ">=4.6.1"
 
 [package.extras]
-dotenv = ["python-dotenv (>=0.10.4)"]
-email = ["email-validator (>=1.0.3)"]
+email = ["email-validator (>=2.0.0)"]
+
+[[package]]
+name = "pydantic-core"
+version = "2.18.2"
+description = "Core functionality for Pydantic validation and serialization"
+optional = false
+python-versions = ">=3.8"
+files = [
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+    {file = "pydantic_core-2.18.2-pp39-pypy39_pp73-win_amd64.whl", hash = "sha256:c6fdc8627910eed0c01aed6a390a252fe3ea6d472ee70fdde56273f198938374"},
+    {file = "pydantic_core-2.18.2.tar.gz", hash = "sha256:2e29d20810dfc3043ee13ac7d9e25105799817683348823f305ab3f349b9386e"},
+]
+
+[package.dependencies]
+typing-extensions = ">=4.6.0,<4.7.0 || >4.7.0"
 
 [[package]]
 name = "pydocstyle"
 version = "6.1.1"
 description = "Python docstring style checker"
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -700,7 +742,6 @@ toml = ["toml"]
 name = "pyflakes"
 version = "2.4.0"
 description = "passive checker of Python programs"
-category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 files = [
@@ -712,7 +753,6 @@ files = [
 name = "pyparsing"
 version = "3.0.9"
 description = "pyparsing module - Classes and methods to define and execute parsing grammars"
-category = "dev"
 optional = false
 python-versions = ">=3.6.8"
 files = [
@@ -727,7 +767,6 @@ diagrams = ["jinja2", "railroad-diagrams"]
 name = "pytest"
 version = "7.2.0"
 description = "pytest: simple powerful testing with Python"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -751,7 +790,6 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.
 name = "pytest-cov"
 version = "4.0.0"
 description = "Pytest plugin for measuring coverage."
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -770,7 +808,6 @@ testing = ["fields", "hunter", "process-tests", "pytest-xdist", "six", "virtuale
 name = "pytest-httpx"
 version = "0.20.0"
 description = "Send responses to httpx."
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -779,17 +816,16 @@ files = [
 ]
 
 [package.dependencies]
-httpx = ">=0.22.0,<0.23.0"
+httpx = "==0.22.*"
 pytest = ">=6,<8"
 
 [package.extras]
-testing = ["pytest-asyncio (>=0.17.0,<0.18.0)", "pytest-cov (>=3.0.0,<4.0.0)"]
+testing = ["pytest-asyncio (==0.17.*)", "pytest-cov (==3.*)"]
 
 [[package]]
 name = "pytest-rerunfailures"
 version = "10.2"
 description = "pytest plugin to re-run tests to eliminate flaky failures"
-category = "dev"
 optional = false
 python-versions = ">= 3.6"
 files = [
@@ -805,7 +841,6 @@ setuptools = ">=40.0"
 name = "pytest-timeout"
 version = "2.1.0"
 description = "pytest plugin to abort hanging tests"
-category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -820,7 +855,6 @@ pytest = ">=5.0.0"
 name = "rfc3986"
 version = "1.5.0"
 description = "Validating URI References per RFC 3986"
-category = "main"
 optional = false
 python-versions = "*"
 files = [
@@ -838,7 +872,6 @@ idna2008 = ["idna"]
 name = "setuptools"
 version = "65.5.1"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -855,7 +888,6 @@ testing-integration = ["build[virtualenv]", "filelock (>=3.4.0)", "jaraco.envs (
 name = "sniffio"
 version = "1.3.0"
 description = "Sniff out which async library your code is running under"
-category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -867,7 +899,6 @@ files = [
 name = "snowballstemmer"
 version = "2.2.0"
 description = "This package provides 29 stemmers for 28 languages generated from Snowball algorithms."
-category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -879,7 +910,6 @@ files = [
 name = "toml"
 version = "0.10.2"
 description = "Python Library for Tom's Obvious, Minimal Language"
-category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 files = [
@@ -891,7 +921,6 @@ files = [
 name = "tomli"
 version = "2.0.1"
 description = "A lil' TOML parser"
-category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -901,17 +930,16 @@ files = [
 
 [[package]]
 name = "typing-extensions"
-version = "4.4.0"
-description = "Backported and Experimental Type Hints for Python 3.7+"
-category = "main"
+version = "4.11.0"
+description = "Backported and Experimental Type Hints for Python 3.8+"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "typing_extensions-4.4.0-py3-none-any.whl", hash = "sha256:16fa4864408f655d35ec496218b85f79b3437c829e93320c7c9215ccfd92489e"},
-    {file = "typing_extensions-4.4.0.tar.gz", hash = "sha256:1511434bb92bf8dd198c12b1cc812e800d4181cfcb867674e0f8279cc93087aa"},
+    {file = "typing_extensions-4.11.0-py3-none-any.whl", hash = "sha256:c1f94d72897edaf4ce775bb7558d5b79d8126906a14ea5ed1635921406c0387a"},
+    {file = "typing_extensions-4.11.0.tar.gz", hash = "sha256:83f085bd5ca59c80295fc2a82ab5dac679cbe02b9f33f7d83af68e241bea51b0"},
 ]
 
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "722ccc1a47bef44c6ed60f2f3743b4f95e32a8560387ffe8a760d78b9fece9b7"
+content-hash = "dd33a382b3761c0eeabc5b27db9b6fb310c705d0e78623d5399c2db63d9ceebd"
diff --git a/pyntelope/net.py b/pyntelope/net.py
index 48214e0..1c3574a 100644
--- a/pyntelope/net.py
+++ b/pyntelope/net.py
@@ -48,7 +48,7 @@ def __init__(
         auth: Optional[tuple] = None,
         client: Optional[Union[httpx.Client, httpx.AsyncClient]] = None,
     ):
-        pydantic.parse_obj_as(pydantic.AnyHttpUrl, host)
+        pydantic.TypeAdapter(pydantic.AnyHttpUrl).validate_python(host)
         self.host = host
         self.headers = headers
         self.auth = auth
@@ -67,7 +67,7 @@ def __init__(
                     Union[httpx.Client, httpx.AsyncClient]
                 ] = None,
             ):
-                pydantic.parse_obj_as(pydantic.AnyHttpUrl, host)
+                pydantic.TypeAdapter(pydantic.AnyHttpUrl).validate_python(host)
                 self.host = host
                 self.headers = headers
                 self.auth = auth
diff --git a/pyntelope/transaction.py b/pyntelope/transaction.py
index 8cf92b4..9d96cc1 100644
--- a/pyntelope/transaction.py
+++ b/pyntelope/transaction.py
@@ -8,6 +8,7 @@
 from typing import List, Tuple
 
 import pydantic
+from typing_extensions import Annotated
 
 from . import types, utils
 from .net import Net
@@ -21,8 +22,12 @@ class Authorization(pydantic.BaseModel):
     permission: str
     """
 
-    actor: pydantic.constr(min_length=1, max_length=13)
-    permission: pydantic.constr(min_length=1, max_length=13)
+    actor: Annotated[
+        str, pydantic.types.StringConstraints(min_length=1, max_length=13)
+    ]
+    permission: Annotated[
+        str, pydantic.types.StringConstraints(min_length=1, max_length=13)
+    ]
 
     def __bytes__(self):
         bytes_ = b""
@@ -32,9 +37,7 @@ def __bytes__(self):
         bytes_ += bytes(permission)
         return bytes_
 
-    class Config:
-        extra = "forbid"
-        frozen = True
+    model_config = pydantic.ConfigDict(extra="forbid", frozen=True)
 
 
 class Data(pydantic.BaseModel):
@@ -90,9 +93,7 @@ def json(self):
     def __bytes__(self):
         return bytes(self.value)
 
-    class Config:
-        extra = "forbid"
-        frozen = True
+    model_config = pydantic.ConfigDict(extra="forbid", frozen=True)
 
 
 class Action(pydantic.BaseModel):
@@ -105,12 +106,12 @@ class Action(pydantic.BaseModel):
     authorization: list[Action]
     """
 
-    account: pydantic.constr(max_length=13)
+    account: Annotated[str, pydantic.types.StringConstraints(max_length=13)]
     name: str
-    authorization: pydantic.conlist(Authorization, min_items=1, max_items=10)
+    authorization: pydantic.conlist(Authorization, min_length=1, max_length=10)
     data: List[Data]
 
-    @pydantic.validator("data", "authorization")
+    @pydantic.field_validator("data", "authorization")
     def transform_to_tuple(cls, v):
         new_v = tuple(v)
         return new_v
@@ -129,10 +130,9 @@ def __bytes__(self):
         name = self.__class__.__name__
         raise TypeError(f"cannot convert '{name}' object to bytes")
 
-    class Config:
-        extra = "forbid"
-        frozen = True
-        arbitrary_types_allowed = True
+    model_config = pydantic.ConfigDict(
+        extra="forbid", frozen=True, arbitrary_types_allowed=True
+    )
 
 
 class LinkedAction(Action):
@@ -145,9 +145,9 @@ class LinkedAction(Action):
     authorization: list[Authorization]
     """
 
-    account: pydantic.constr(max_length=13)
+    account: Annotated[str, pydantic.types.StringConstraints(max_length=13)]
     name: str
-    authorization: pydantic.conlist(Authorization, min_items=1, max_items=10)
+    authorization: pydantic.conlist(Authorization, min_length=1, max_length=10)
     data: List[Data]
     net: Net
 
@@ -179,7 +179,7 @@ def __bytes__(self):
 
 def _endian_reverse_u32(i: int) -> int:
     i = i & 0xFFFFFFFF
-    r = (((i >> 0x18) & 0xFF)) | (((i >> 0x10) & 0xFF) << 0x08) | (((i >> 0x08) & 0xFF) << 0x10) | (((i) & 0xFF) << 0x18)  # NOQA BLK100, E501
+    r = (((i >> 0x18) & 0xFF)) | (((i >> 0x10) & 0xFF) << 0x08) | (((i >> 0x08) & 0xFF) << 0x10) | (((i) & 0xFF) << 0x18)  # NOQA: BLK100, E501
     return r
 
 
@@ -206,13 +206,13 @@ class Transaction(pydantic.BaseModel):
     chain_id: Optional[str]
     """
 
-    actions: pydantic.conlist(Action, min_items=1, max_items=10)
-    expiration_delay_sec: pydantic.conint(ge=0) = 600
-    delay_sec: pydantic.conint(ge=0) = 0
-    max_cpu_usage_ms: pydantic.conint(ge=0) = 0
-    max_net_usage_words: pydantic.conint(ge=0) = 0
+    actions: pydantic.conlist(Action, min_length=1, max_length=10)
+    expiration_delay_sec: Annotated[int, pydantic.Field(ge=0)] = 600
+    delay_sec: Annotated[int, pydantic.Field(ge=0)] = 0
+    max_cpu_usage_ms: Annotated[int, pydantic.Field(ge=0)] = 0
+    max_net_usage_words: Annotated[int, pydantic.Field(ge=0)] = 0
 
-    @pydantic.validator("actions")
+    @pydantic.field_validator("actions")
     def _transform_to_tuple(cls, v):
         new_v = tuple(v)
         return new_v
@@ -245,10 +245,9 @@ def link(self, *, net: Net):  # block_id: str, chain_id: str):
 
         return new_trans
 
-    class Config:
-        extra = "forbid"
-        frozen = True
-        arbitrary_types_allowed = True
+    model_config = pydantic.ConfigDict(
+        extra="forbid", frozen=True, arbitrary_types_allowed=True
+    )
 
 
 class LinkedTransaction(Transaction):
@@ -258,11 +257,11 @@ class LinkedTransaction(Transaction):
     It becomes a SignedTransaction when you sign it.
     """
 
-    actions: pydantic.conlist(LinkedAction, min_items=1, max_items=10)
+    actions: pydantic.conlist(LinkedAction, min_length=1, max_length=10)
     net: Net
     chain_id: str
-    ref_block_num: str
-    ref_block_prefix: str
+    ref_block_num: int
+    ref_block_prefix: int
     expiration: dt.datetime
 
     def __bytes__(self):
@@ -326,9 +325,9 @@ class SignedTransaction(LinkedTransaction):
     Also you can sign it again.
     """
 
-    signatures: pydantic.conlist(str, min_items=1, max_items=10)
+    signatures: pydantic.conlist(str, min_length=1, max_length=10)
 
-    @pydantic.validator("signatures")
+    @pydantic.field_validator("signatures")
     def _transform_to_tuple(cls, v):
         new_v = tuple(v)
         return new_v
diff --git a/pyntelope/types/base.py b/pyntelope/types/base.py
index 4063311..a86c15f 100644
--- a/pyntelope/types/base.py
+++ b/pyntelope/types/base.py
@@ -19,9 +19,7 @@ def __len__(self):
         bytes_ = bytes(self)
         return len(bytes_)
 
-    class Config:
-        extra = "forbid"
-        frozen = True
+    model_config = pydantic.ConfigDict(extra="forbid", frozen=True)
 
 
 class Primitive(AntelopeType, ABC):
diff --git a/pyntelope/types/compostes.py b/pyntelope/types/compostes.py
index ba79eb8..e565383 100644
--- a/pyntelope/types/compostes.py
+++ b/pyntelope/types/compostes.py
@@ -42,13 +42,14 @@ class Array(Composte):
     values: tuple
     type_: type
 
-    @pydantic.validator("type_")
+    @pydantic.field_validator("type_")
     def must_be_subclass_of_antelope(cls, v):
         if not issubclass(v, AntelopeType):
             raise ValueError("Type must be subclass of AntelopeType")
         return v
 
-    @pydantic.root_validator
+    @pydantic.model_validator(mode="before")
+    @classmethod
     def all_values_must_be_instances_of_type(cls, all_values):
         type_ = all_values["type_"]
         values = all_values["values"]
@@ -58,7 +59,7 @@ def all_values_must_be_instances_of_type(cls, all_values):
                     f"{value=} is of type={type(value)} "
                     f"but instance of {type_} was expected"
                 )
-                raise TypeError(msg)
+                raise ValueError(msg)
         return all_values
 
     @classmethod
@@ -120,9 +121,9 @@ class Abi(Composte):
     ricardian_clauses: Array
     error_messages: Array
     abi_extensions: Array
-    variants: Optional[Array]
-    action_results: Optional[Array]
-    kv_tables: Optional[Array]
+    variants: Optional[Array] = None
+    action_results: Optional[Array] = None
+    kv_tables: Optional[Array] = None
 
     @classmethod
     def from_dict(cls, /, d: dict):
diff --git a/pyntelope/types/primitives.py b/pyntelope/types/primitives.py
index 6a2a985..e10d593 100644
--- a/pyntelope/types/primitives.py
+++ b/pyntelope/types/primitives.py
@@ -7,6 +7,7 @@
 import struct
 
 import pydantic
+from typing_extensions import Annotated
 
 from .base import Primitive
 
@@ -131,7 +132,7 @@ def from_bytes(cls, bytes_):
             )  # combine everything and place decimal in correct position
         return cls(value=value)
 
-    @pydantic.validator("value")
+    @pydantic.field_validator("value")
     def amount_must_be_in_the_valid_range(cls, v):
         value_list = str(v).strip().split(" ")
         if len(value_list) != 2:
@@ -142,7 +143,7 @@ def amount_must_be_in_the_valid_range(cls, v):
             raise ValueError(msg)
         return v
 
-    @pydantic.validator("value")
+    @pydantic.field_validator("value")
     def check_for_frac_digit_if_decimal_exists(cls, v):
         stripped_value = v.strip()
         if "." in stripped_value:
@@ -161,7 +162,7 @@ def check_for_frac_digit_if_decimal_exists(cls, v):
                 raise ValueError(msg)
         return v
 
-    @pydantic.validator("value", allow_reuse=True)
+    @pydantic.field_validator("value")
     def check_if_amount_is_valid(cls, v):
         stripped_value = v.strip()
         amount = float(stripped_value.split(" ")[0])
@@ -170,7 +171,7 @@ def check_if_amount_is_valid(cls, v):
             raise ValueError(msg)
         return v
 
-    @pydantic.validator("value", allow_reuse=True)
+    @pydantic.field_validator("value")
     def check_if_name_is_valid(cls, v):
         stripped_value = v.strip()
         name = stripped_value.split(" ")[1]
@@ -204,7 +205,7 @@ def from_bytes(cls, bytes_):
 
 
 class Int8(Primitive):
-    value: pydantic.conint(ge=-128, lt=128)
+    value: Annotated[int, pydantic.Field(ge=-128, lt=128)]
 
     def __bytes__(self):
         return struct.pack("<b", self.value)
@@ -217,7 +218,7 @@ def from_bytes(cls, bytes_):
 
 
 class Int16(Primitive):
-    value: pydantic.conint(ge=-(2**15), lt=2**15)
+    value: Annotated[int, pydantic.Field(ge=-(2**15), lt=2**15)]
 
     def __bytes__(self):
         return struct.pack("<h", self.value)
@@ -230,7 +231,7 @@ def from_bytes(cls, bytes_):
 
 
 class Int32(Primitive):
-    value: pydantic.conint(ge=-(2**31), lt=2**31)
+    value: Annotated[int, pydantic.Field(ge=-(2**31), lt=2**31)]
 
     def __bytes__(self):
         return struct.pack("<i", self.value)
@@ -243,7 +244,7 @@ def from_bytes(cls, bytes_):
 
 
 class Int64(Primitive):
-    value: pydantic.conint(ge=-(2**63), lt=2**63)
+    value: Annotated[int, pydantic.Field(ge=-(2**63), lt=2**63)]
 
     def __bytes__(self):
         return struct.pack("<q", self.value)
@@ -288,10 +289,13 @@ def from_bytes(cls, bytes_):
 
 class Name(Primitive):
     # regex = has at least one "non-dot" char
-    value: pydantic.constr(
-        max_length=13,
-        regex=r"^[\.a-z1-5]*[a-z1-5]+[\.a-z1-5]*$|^(?![\s\S])",  # NOQA: F722
-    )
+    value: Annotated[
+        str,
+        pydantic.types.StringConstraints(
+            max_length=13,
+            pattern=r"^[\.a-z1-5]*[a-z1-5]+[\.a-z1-5]*$|^(?![\s\S])",
+        ),
+    ]
 
     def __eq__(self, other):
         """Equality diregards dots in names."""
@@ -299,7 +303,7 @@ def __eq__(self, other):
             return False
         return self.value.replace(".", "") == other.value.replace(".", "")
 
-    @pydantic.validator("value")
+    @pydantic.field_validator("value")
     def last_char_restriction(cls, v):
         if len(v) == 13:
             allowed = {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "."}
@@ -360,6 +364,8 @@ def uint64_to_string(cls, n, strip_dots=False):
             s = s.strip(".")
         return s
 
+    model_config = pydantic.ConfigDict(regex_engine="python-re")
+
 
 class String(Primitive):
     value: str
@@ -370,7 +376,7 @@ def __bytes__(self):
         bytes_ = bytes(Varuint32(value=length)) + bytes_
         return bytes_
 
-    @pydantic.validator("value")
+    @pydantic.field_validator("value")
     def must_not_contain_multi_utf_char(cls, v):
         if len(v) < len(v.encode("utf8")):
             msg = (
@@ -403,7 +409,7 @@ class Symbol(Primitive):
 
     value: str
 
-    @pydantic.validator("value", allow_reuse=True)
+    @pydantic.field_validator("value")
     def name_must_be_of_valid_length(cls, v):
         name = v.split(",")[1]
         match = re.search("^[A-Z]{1,7}$", name)
@@ -412,7 +418,7 @@ def name_must_be_of_valid_length(cls, v):
             raise ValueError(msg)
         return v
 
-    @pydantic.validator("value", allow_reuse=True)
+    @pydantic.field_validator("value")
     def precision_must_be_in_the_valid_range(cls, v):
         precision = int(v.split(",")[0])
         if precision < 0 or precision > 16:
@@ -460,7 +466,7 @@ def from_bytes(cls, bytes_):
 
 
 class Uint8(Primitive):
-    value: pydantic.conint(ge=0, lt=256)  # 2 ** 8
+    value: Annotated[int, pydantic.Field(ge=0, lt=256)]  # 2 ** 8
 
     def __bytes__(self):
         return struct.pack("<B", self.value)
@@ -473,7 +479,7 @@ def from_bytes(cls, bytes_):
 
 
 class Uint16(Primitive):
-    value: pydantic.conint(ge=0, lt=65536)  # 2 ** 16
+    value: Annotated[int, pydantic.Field(ge=0, lt=65536)]  # 2 ** 16
 
     def __bytes__(self):
         return struct.pack("<H", self.value)
@@ -486,7 +492,7 @@ def from_bytes(cls, bytes_):
 
 
 class Uint32(Primitive):
-    value: pydantic.conint(ge=0, lt=4294967296)  # 2 ** 32
+    value: Annotated[int, pydantic.Field(ge=0, lt=4294967296)]  # 2 ** 32
 
     def __bytes__(self):
         return struct.pack("<I", self.value)
@@ -499,7 +505,9 @@ def from_bytes(cls, bytes_):
 
 
 class Uint64(Primitive):
-    value: pydantic.conint(ge=0, lt=18446744073709551616)  # 2 ** 64
+    value: Annotated[
+        int, pydantic.Field(ge=0, lt=18446744073709551616)
+    ]  # 2 ** 64
 
     def __bytes__(self):
         return struct.pack("<Q", self.value)
@@ -521,7 +529,7 @@ class TimePoint(Primitive):
 
     value: dt.datetime
 
-    @pydantic.validator("value")
+    @pydantic.field_validator("value")
     def max_precision_is_miliseconds(cls, v):
         if v.microsecond % 1000 != 0:
             msg = "The smallest time unit allowed is miliseconds"
@@ -565,7 +573,7 @@ class UnixTimestamp(Primitive):
 
     value: dt.datetime
 
-    @pydantic.validator("value")
+    @pydantic.field_validator("value")
     def remove_everything_bellow_seconds(cls, v):
         new_v = v.replace(microsecond=0)
         return new_v
@@ -584,7 +592,7 @@ def from_bytes(cls, bytes_):
 
 
 class Varuint32(Primitive):
-    value: pydantic.conint(ge=0, le=20989371979)
+    value: Annotated[int, pydantic.Field(ge=0, le=20989371979)]
 
     def __bytes__(self):
         bytes_ = b""
diff --git a/pyproject.toml b/pyproject.toml
index 24908a4..aff6b4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,12 +8,14 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.8"
-pydantic = "^1.9.0"
+pydantic = "^2.6.0"
 httpx = ">=0.22"
 pycryptodome = "^3.15.0"
 base58 = "^2.1.1"
 
-[tool.poetry.dev-dependencies]
+[tool.poetry.group.dev.dependencies]
+pytest = "^7.2.0"
+pytest-cov = "^4.0.0"
 flake8 = "^4.0.1"
 flake8-black = "^0.2.3"
 flake8-isort = "^4.1.1"
@@ -22,10 +24,6 @@ pytest-timeout = "^2.0.1"
 pytest-rerunfailures = "^10.2"
 pytest-httpx = "^0.20.0"
 
-[tool.poetry.group.dev.dependencies]
-pytest = "^7.2.0"
-pytest-cov = "^4.0.0"
-
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
diff --git a/tests/unit/transaction_test.py b/tests/unit/transaction_test.py
index bd07487..3854417 100644
--- a/tests/unit/transaction_test.py
+++ b/tests/unit/transaction_test.py
@@ -13,7 +13,7 @@
 
 
 def test_create_authorization_using_dict():
-    auth = pyntelope.Authorization.parse_obj(
+    auth = pyntelope.Authorization.model_validate(
         {"actor": "aaa", "permission": "active"}
     )
     assert isinstance(auth, pyntelope.Authorization)
@@ -30,7 +30,7 @@ def test_create_authorization_requires_actor_len_lt_13():
 
 
 def test_authorization_is_immutable(auth):
-    with pytest.raises(TypeError):
+    with pytest.raises(ValueError):
         auth.actor = "bbb"
 
 
@@ -265,7 +265,7 @@ def action_clear():
 
 def test_action_fields_are_immutable(action_clear):
     immutables = (str, int, bool, float, tuple)
-    for field_name in action_clear.__fields__:
+    for field_name in action_clear.model_fields.keys():
         field = getattr(action_clear, field_name)
         assert isinstance(field, immutables)