diff --git a/api/requirements.txt b/api/requirements.txt
index bc8a454..76e22cf 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -89,7 +89,7 @@ nbformat==4.4.0
 networkx==2.2
 notebook==5.7.2
 numpy==1.14.5
-opencv-contrib-python==3.4.4.19
+opencv-contrib-python==4.2.0.32
 opencv-python==3.4.4.19
 pandas==0.24.1
 pandocfilters==1.4.2