diff --git a/requirements.txt b/requirements.txt
index 06eed1b..fdc8873 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.4.5
 notebook==5.7.8
-numpy==1.15.0
+numpy==1.22.0
 pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.3.0