diff --git a/requirements.txt b/requirements.txt
index 4ede5ca..5eefd8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-opencv_contrib_python==3.4.1.15
+opencv_contrib_python==3.4.7.28
 numpy==1.13.3