diff --git a/requirements.txt b/requirements.txt
index 3c48460..13bdf0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy
 tqdm==4.19.2
 h5py==2.7.1
-opencv_python==3.3.0.10
+opencv_python==3.4.7.28
 matplotlib==2.2.2
 scipy==0.19.1