diff --git a/requirements.txt b/requirements.txt
index a23b316..d7dd5f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 gym==0.10.5
 numpy==1.22.0
-opencv-python==3.4.2.17
+opencv-python==4.8.1.78
 gym-vecenv==1.0
 protobuf==3.6.1
 tensorboardX==1.4