diff --git a/requirements.txt b/requirements.txt
index 787c2ae..2c10b47 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 chumpy==0.67.6
 neural-renderer-pytorch==1.1.3
 numpy==1.15.4
-opencv-python==3.4.4.19
+opencv-python==3.4.7.28
 opendr==0.77
 scikit-image==0.14.1
 scipy==1.2.0