diff --git a/requirements_3.9.txt b/requirements_3.9.txt
index 6608795..0e5beb3 100644
--- a/requirements_3.9.txt
+++ b/requirements_3.9.txt
@@ -1,5 +1,5 @@
 numpy==1.19.5
-opencv-contrib-python-headless==4.4.0.46
+opencv-contrib-python-headless==4.5.1.48
 scipy==1.7.1
 tensorflow==2.6.0
 colorama==0.4.4