diff --git a/res/complexity/requirements.txt b/res/complexity/requirements.txt
index cb1daf1..941c3e2 100644
--- a/res/complexity/requirements.txt
+++ b/res/complexity/requirements.txt
@@ -8,7 +8,7 @@ kiwisolver==1.0.1
 matplotlib==2.2.2
 networkx==2.1
 nltk==3.3
-numpy==1.14.5
+numpy==1.22.0
 pandas==0.23.1
 pyparsing==2.2.0
 python-dateutil==2.7.3