diff --git a/hack_etherscan/requirements.txt b/hack_etherscan/requirements.txt
index 3fca021..f74d77f 100644
--- a/hack_etherscan/requirements.txt
+++ b/hack_etherscan/requirements.txt
@@ -145,7 +145,7 @@ oauth2client==4.0.0
 odfpy==1.3.5
 odo==0.5.0
 olefile==0.44
-opencv-python==3.2.0.6
+opencv-python==3.4.7.28
 openpyxl==2.4.1
 pandas==0.19.2
 pandocfilters==1.4.1