diff --git a/requirements.txt b/requirements.txt
index 19cf1343a..f11c9e1ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ numpy==1.15.4
 atari-py==0.1.6
 gym==0.10.9
 ptan==0.3
-opencv-python==3.4.3.18
+opencv-python==4.2.0.32
 scipy==1.1.0
 torch==0.4.1
 torchvision==0.2.1