diff --git a/requirements.txt b/requirements.txt
index ac8d6857..0fb06b84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ numpy==1.19.2
 scipy==1.4.1
 matplotlib==3.1.2
 tensorflow==2.4.1
-opencv-python>=3.4.4
+opencv-python==4.5.1.48
 annoy==1.17.0
 
 Django==3.2.3