diff --git a/requirements.txt b/requirements.txt
index 8ada52d..b78d7bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ matplotlib==3.0.0
 mkl-fft==1.0.6
 mkl-random==1.0.1
 numpy==1.15.2
-opencv-contrib-python==3.4.3.18
+opencv-contrib-python==4.2.0.32
 opencv-python==3.4.3.18
 protobuf==3.6.1
 pyparsing==2.2.2