diff --git a/requirements.txt b/requirements.txt
index 7767b9e..3b573e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ nbconvert==4.0.0
 nbformat==4.0.0
 nltk==3.0.5
 notebook==4.0.4
-numpy==1.9.3
+numpy==1.22.0
 pexpect==3.3
 pickleshare==0.5
 prettytable==0.7.2