diff --git a/requirements.txt b/requirements.txt
index d6f6436..7d91cc9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ nbformat==4.4.0
 nltk==3.2.5
 numpy==1.11.0
 olefile==0.44
-opencv-python==3.3.0.10
+opencv-python==3.4.7.28
 pandas==0.21.0
 patsy==0.5.0
 Pillow==4.3.0