diff --git a/test/cartpole/requirements.txt b/test/cartpole/requirements.txt
index 28dddca..9e54e30 100644
--- a/test/cartpole/requirements.txt
+++ b/test/cartpole/requirements.txt
@@ -11,7 +11,7 @@ grpcio==1.25.0
 gym==0.15.4
 idna==2.8
 imageio==2.6.1
-numpy==1.17.4
+numpy==1.21.0
 opencv-python==4.1.2.30
 Pillow==6.2.1
 protobuf==3.11.1