diff --git a/requirements.txt b/requirements.txt
index 18c9ee1..fd279d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 EasyDict==1.7
-opencv-python==3.4.1.15
+opencv-python==3.4.7.28
 shapely==1.6.4
 Cython
 scipy