diff --git a/ComputationalPhotography/ProjectGradient/requirements.txt b/ComputationalPhotography/ProjectGradient/requirements.txt
index 15f4f77..537e164 100644
--- a/ComputationalPhotography/ProjectGradient/requirements.txt
+++ b/ComputationalPhotography/ProjectGradient/requirements.txt
@@ -1,6 +1,6 @@
 matplotlib==3.1.1
 numpy==1.17.0
-opencv-contrib-python==4.1.0.25
+opencv-contrib-python==4.2.0.32
 scipy==1.3.1
 notebook
 scikit-image