diff --git a/requirements.txt b/requirements.txt
index 3c161b2..0e6f521 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.2.4
 notebook==5.0.0
-numpy==1.13.1
+numpy==1.22.0
 pandas==0.20.3
 pandocfilters==1.4.2
 pathlib2==2.3.0