diff --git a/Adaptive Frequency Filters/requirements.txt b/Adaptive Frequency Filters/requirements.txt
index 3c4065f..7c7061a 100644
--- a/Adaptive Frequency Filters/requirements.txt	
+++ b/Adaptive Frequency Filters/requirements.txt	
@@ -24,7 +24,7 @@ chardet==5.1.0
 pycocotools
 
 # dependency for reading and writing images
-opencv-contrib-python==4.5.5.64
+opencv-contrib-python==4.8.1.78
 
 # dependency for cityscape evaluation
 cityscapesscripts