diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71ec214..f3ca0d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,10 +26,8 @@ jobs:
     strategy:
       matrix:
         docker-image:
-        - ubuntu:focal
         - ubuntu:jammy
         - ubuntu:noble
-        - debian:bullseye
         - debian:bookworm
 
     steps:
diff --git a/requirements-dev.txt b/requirements-dev.txt
index fc73cd2..7a6be3b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,62 +1,66 @@
 #
-# This file is autogenerated by pip-compile with Python 3.8
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile --no-emit-index-url --no-emit-trusted-host --output-file=requirements-dev.txt requirements-dev.in
 #
-autopep8==2.3.1
+autopep8==2.3.2
     # via -r requirements-dev.in
-coverage[toml]==7.6.1
+coverage[toml]==7.13.1
     # via pytest-cov
-exceptiongroup==1.3.0
+exceptiongroup==1.3.1
     # via pytest
-flake8==7.1.2
+flake8==7.3.0
     # via -r requirements-dev.in
-importlib-metadata==8.5.0
-    # via pytest-console-scripts
-iniconfig==2.1.0
+iniconfig==2.3.0
     # via pytest
+librt==0.7.8
+    # via mypy
 mccabe==0.7.0
     # via flake8
-mypy==1.14.1
+mypy==1.19.1
     # via -r requirements-dev.in
 mypy-extensions==1.1.0
     # via mypy
 packaging==25.0
     # via pytest
-pluggy==1.5.0
-    # via pytest
-pycodestyle==2.12.1
+pathspec==1.0.3
+    # via mypy
+pluggy==1.6.0
+    # via
+    #   pytest
+    #   pytest-cov
+pycodestyle==2.14.0
     # via
     #   -r requirements-dev.in
     #   autopep8
     #   flake8
-pyflakes==3.2.0
+pyflakes==3.4.0
     # via flake8
-pytest==8.3.5
+pygments==2.19.2
+    # via pytest
+pytest==9.0.2
     # via
     #   -r requirements-dev.in
     #   pytest-console-scripts
     #   pytest-cov
 pytest-console-scripts==1.4.1
     # via -r requirements-dev.in
-pytest-cov==5.0.0
+pytest-cov==7.0.0
     # via -r requirements-dev.in
-tomli==2.2.1
+tomli==2.4.0
     # via
     #   autopep8
     #   coverage
     #   mypy
     #   pytest
-types-requests==2.32.0.20241016
+types-requests==2.32.4.20260107
     # via -r requirements-dev.in
-types-setuptools==75.8.0.20250110
+types-setuptools==80.9.0.20251223
     # via -r requirements-dev.in
-typing-extensions==4.13.2
+typing-extensions==4.15.0
     # via
     #   exceptiongroup
     #   mypy
-urllib3==2.2.3
+urllib3==2.6.3
     # via types-requests
-zipp==3.20.2
-    # via importlib-metadata
diff --git a/requirements.txt b/requirements.txt
index 8c09bdf..03f7a98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,28 +1,26 @@
 #
-# This file is autogenerated by pip-compile with Python 3.8
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile --no-emit-index-url --no-emit-trusted-host --output-file=requirements.txt requirements.in
 #
-certifi==2025.6.15
+certifi==2026.1.4
     # via requests
-charset-normalizer==3.4.2
+charset-normalizer==3.4.4
     # via requests
 docker==7.1.0
     # via -r requirements.in
 dockerpty==0.4.1
     # via -r requirements.in
-idna==3.10
+idna==3.11
     # via requests
-importlib-resources==6.4.5
+importlib-resources==6.5.2
     # via -r requirements.in
-requests==2.32.4
+requests==2.32.5
     # via docker
 six==1.17.0
     # via dockerpty
-urllib3==2.2.3
+urllib3==2.6.3
     # via
     #   docker
     #   requests
-zipp==3.20.2
-    # via importlib-resources
diff --git a/setup.py b/setup.py
index 0f79a19..4765839 100755
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@ def get_package_data():
     extras_require={
         'dev': Path('requirements-dev.txt').read_text(),
     },
-    python_requires=">=3.8",
+    python_requires=">=3.10",
     package_data={'bldr': [
         'VERSION',
     ] + get_package_data()},
@@ -50,8 +50,6 @@ def get_package_data():
         "Operating System :: POSIX :: Linux",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",