diff --git a/requirements.txt b/requirements.txt
index 812513b..5051f8c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 h5py
 scikit-image
-# opencv-contrib-python==3.4.2.16 is required for using SURF
-# python3.6 is required for installing opencv-contrib-python==3.4.2.16
-opencv-contrib-python==3.4.2.16
+# opencv-contrib-python==3.4.7.28 is required for using SURF
+# python3.6 is required for installing opencv-contrib-python==3.4.7.28
+opencv-contrib-python==3.4.7.28
 torch==1.4.0+cu100
 torchvision==0.5.0+cu100
 numpy