diff --git a/requirements.txt b/requirements.txt
index e8858e9..042527a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ notebook==5.2.0
 numpy==1.14.2
 oauth2client==4.1.2
 oauthlib==2.0.4
-opencv-python==3.3.0.10
+opencv-python==3.3.1.11
 Orange3==3.9.1
 pandas==0.20.3
 pandocfilters==1.4.2