diff --git a/requirements.txt b/requirements.txt
index 5e4741d..45124cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ nbconvert==5.4.0
 nbformat==4.4.0
 nltk==3.4
 notebook==5.7.0
-numpy==1.15.2
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 pickleshare==0.7.5