diff --git a/requirements.txt b/requirements.txt
index 94afd8d..399f4b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ notebook==6.0.0
 numpy==1.16.4
 oauthlib==1.0.3
 onboard==1.2.0
-opencv-python==3.4.5.20
+opencv-python==3.4.7.28
 padme==1.1.1
 pandas==0.24.2
 pandocfilters==1.4.2