diff --git a/Pipfile b/Pipfile
index 2709166..462862d 100644
--- a/Pipfile
+++ b/Pipfile
@@ -16,7 +16,6 @@ rst-linker = "*"
 [packages]
 torch = "*"
 numpy = "*"
-nptyping = "*"
 pyyaml = "*"
 ssg = "*"
 docopt = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index f9dbeac..e6ff396 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -29,14 +29,6 @@
             ],
             "version": "==0.1.3"
         },
-        "nptyping": {
-            "hashes": [
-                "sha256:8823b7422be989751b9bfdba9155fa3ab06d98db9e57678f0c9a1dae07f452ac",
-                "sha256:f2f8f8b2987ce01731b5ef3a8b9ab2fbc4bf79fde1d57f5287049def379320cc"
-            ],
-            "index": "pypi",
-            "version": "==0.2.0"
-        },
         "numpy": {
             "hashes": [
                 "sha256:03f2ebcbffcce2dec8860633b89a93e80c6a239d21a77ae8b241450dc21e8c35",
diff --git a/attacut/evaluation.py b/attacut/evaluation.py
index 6a5ce17..0c95eb3 100644
--- a/attacut/evaluation.py
+++ b/attacut/evaluation.py
@@ -2,8 +2,7 @@
 from collections import namedtuple
 
 import numpy as np
-
-from nptyping import Array
+from numpy.typing import NDArray
 
 EvaluationMetrics = namedtuple(
     "EvaluationMetrics",
@@ -11,8 +10,8 @@
 )
 
 def compute_metrics(
-    labels: Array[np.int32],
-    preds: Array[np.int32]
+    labels: NDArray[np.int32],
+    preds: NDArray[np.int32]
 ) -> EvaluationMetrics:
 
     # manually implemented due to keep no. of dependencies minimal
diff --git a/requirements.txt b/requirements.txt
index 323bfc9..c8eca85 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,6 @@
 docopt==0.6.2
 fire==0.1.3
-nptyping==0.2.0
-numpy==1.17.2
+numpy==1.26.1
 python-crfsuite==0.9.6
 pyyaml==5.1.2
 six==1.12.0
diff --git a/setup.py b/setup.py
index dddfcda..d364226 100644
--- a/setup.py
+++ b/setup.py
@@ -15,8 +15,7 @@
     install_requires=[
         "docopt>=0.6.2",
         "fire>=0.1.3",
-        "nptyping>=0.2.0<=0.3.1",
-        "numpy>=1.17.0",
+        "numpy>=1.26.1",
         "pyyaml>=5.1.2",
         "six>=1.12.0",
         "ssg>=0.0.4",