diff --git a/nlp/requirements.txt b/nlp/requirements.txt
index 7b8e643..b77d653 100644
--- a/nlp/requirements.txt
+++ b/nlp/requirements.txt
@@ -68,7 +68,7 @@ numexpr==2.6.4
 numpy==1.16.2
 oauth==1.0.1
 olefile==0.45.1
-opencv-python==4.0.0.21
+opencv-python==4.1.1.26
 pandas==0.22.0
 pandocfilters==1.4.2
 parso==0.4.0