diff --git a/84. OpenCV + PyTorch/requirements.txt b/84. OpenCV + PyTorch/requirements.txt
index 52964ff..70cafa9 100644
--- a/84. OpenCV + PyTorch/requirements.txt	
+++ b/84. OpenCV + PyTorch/requirements.txt	
@@ -1,4 +1,4 @@
-opencv-python==3.2.0.6
+opencv-python==4.2.0.32
 matplotlib==2.1.1
 pandas==0.22.0
 numpy==1.12.1