diff --git a/requirements.txt b/requirements.txt
index cf6a0bf..1fadd32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ matplotlib==2.0.2
 mccabe==0.6.1
 multidict==3.1.0
 numpy==1.13.1
-opencv-python==3.2.0.8
+opencv-python==3.3.1.11
 pew==0.1.27
 pipenv==8.2.6
 py==1.4.34