diff --git a/requirements.txt b/requirements.txt
index 92ff323..dd575d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ MarkupSafe==1.1.1
 matplotlib==3.1.1
 networkx==2.3
 numpy==1.16.4
-opencv-python==3.3.0.9
+opencv-python==4.2.0.32
 Pillow==6.1.0
 protobuf==3.9.0
 pyparsing==2.4.0