diff --git a/requirements.txt b/requirements.txt
index 87a43fb..6efc1c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 numpy==1.14.2
-opencv-contrib-python==3.4.0.12
+opencv-contrib-python==3.4.7.28