diff --git a/requirements.txt b/requirements.txt
index e8e1a14..a041f00 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ MarkupSafe==1.0
 matplotlib==2.2.2
 nltk==3.3
 numpy==1.14.4
-opencv-python==3.4.1.15
+opencv-python==3.4.7.28
 pandas==0.23.0
 pbr==4.0.4
 Pillow==5.1.0