diff --git a/requirements.txt b/requirements.txt
index b01ad15..3395123 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ nltk==3.4
 notebook==5.7.0
 numpy==1.14.5
 olefile==0.46
-opencv-python==3.4.3.18
+opencv-python==3.4.7.28
 pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.3.1