diff --git a/ml-agents-envs/setup.py b/ml-agents-envs/setup.py
index 37bf04bc64d..cb146fc18af 100644
--- a/ml-agents-envs/setup.py
+++ b/ml-agents-envs/setup.py
@@ -60,7 +60,8 @@ def run(self):
         "pyyaml>=3.1.0",
         "gym>=0.21.0",
         "pettingzoo==1.15.0",
-        "numpy>=1.21.2,<1.24.0",
+        #"numpy>=1.21.2,<1.24.0",
+        "numpy==1.21.2",
         "filelock>=3.4.0",
     ],
     python_requires=">=3.10.1,<=3.10.12",
diff --git a/ml-agents/setup.py b/ml-agents/setup.py
index d735201c218..479a0f26e93 100644
--- a/ml-agents/setup.py
+++ b/ml-agents/setup.py
@@ -58,7 +58,8 @@ def run(self):
         "grpcio>=1.11.0,<=1.48.2",
         "h5py>=2.9.0",
         f"mlagents_envs=={VERSION}",
-        "numpy>=1.21.2,<1.24.0",
+        #"numpy>=1.21.2,<1.24.0",
+        "numpy==1.21.2",
         "Pillow>=4.2.1",
         "protobuf>=3.6,<3.21",
         "pyyaml>=3.1.0",