diff --git a/requirements.txt b/requirements.txt
index 3860def..a7e1aba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ joblib==0.11
 kiwisolver==1.1.0
 matplotlib==3.1.0
 numpy==1.16.4
-opencv-python==3.4.3.18
+opencv-python==4.2.0.32
 Pillow==6.2.0
 pyparsing==2.4.0
 pypng==0.0.19