diff --git a/com.unity.ml-agents/CHANGELOG.md b/com.unity.ml-agents/CHANGELOG.md
index 63f9111f82d..1df86732897 100755
--- a/com.unity.ml-agents/CHANGELOG.md
+++ b/com.unity.ml-agents/CHANGELOG.md
@@ -28,6 +28,7 @@ and this project adheres to
 - Added no-graphics-monitor. (#6014)
 
 #### ml-agents / ml-agents-envs
+- Upgraded grpcio version. (#6208)
 - Update Installation.md (#6004)
 - Updated Using-Virtual-Environment.md (#6033)
 
diff --git a/docs/Installation.md b/docs/Installation.md
index 41c481027ac..43416dea65a 100644
--- a/docs/Installation.md
+++ b/docs/Installation.md
@@ -167,14 +167,6 @@ Note that on Windows, you may also need Microsoft's
 if you don't have it already. See the [PyTorch installation guide](https://pytorch.org/get-started/locally/)
 for more installation options and versions.
 
-#### (OS X) Installing GRPC libraries
-
-On OS X, you may need to explicitly install the GRPC runtime libraries to avoid hitting errors when training like `dlopen(/Users/alex.mccarthy/miniconda3/envs/mlagents/lib/python3.10/site-packages/grpc/_cython/cygrpc.cpython-310-darwin.so, 0x0002): symbol not found in flat namespace '_CFRelease'`.
-
-```sh
-pip3 install grpcio
-```
-
 #### Installing `mlagents`
 
 To install the `mlagents` Python package, activate your virtual environment and
diff --git a/ml-agents-envs/setup.py b/ml-agents-envs/setup.py
index fcbee961515..5e4c80b0863 100644
--- a/ml-agents-envs/setup.py
+++ b/ml-agents-envs/setup.py
@@ -54,7 +54,7 @@ def run(self):
     zip_safe=False,
     install_requires=[
         "cloudpickle",
-        "grpcio>=1.11.0,<=1.48.2",
+        "grpcio>=1.11.0,<=1.53.2",
         "Pillow>=4.2.1",
         "protobuf>=3.6,<3.21",
         "pyyaml>=3.1.0",
diff --git a/ml-agents/setup.py b/ml-agents/setup.py
index 1bf1fb4bf90..16be25d8b3d 100644
--- a/ml-agents/setup.py
+++ b/ml-agents/setup.py
@@ -55,7 +55,7 @@ def run(self):
     zip_safe=False,
     install_requires=[
         # Test-only dependencies should go in test_requirements.txt, not here.
-        "grpcio>=1.11.0,<=1.48.2",
+        "grpcio>=1.11.0,<=1.53.2",
         "h5py>=2.9.0",
         f"mlagents_envs=={VERSION}",
         "numpy>=1.23.5,<1.24.0",