diff --git a/requirements.txt b/requirements.txt
index e244ad5..7b2b8d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ kiwisolver==1.0.1
 Markdown==2.6.11
 matplotlib==2.2.2
 numpy==1.14.5
-opencv-python==3.4.3.18
+opencv-python==4.2.0.32
 Pillow==6.2.0
 protobuf==3.6.0
 pyparsing==2.2.0