diff --git a/requirements.txt b/requirements.txt
index 619fd87..cf9c8b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ gym==0.10.5
 h5py==2.8.0
 idna==2.6
 numpy==1.14.4
-opencv-python==3.4.1.15
+opencv-python==4.2.0.32
 Pillow==5.1.0
 pyglet==1.3.2
 requests==2.18.4