diff --git a/requirements.txt b/requirements.txt
index ee46b4c..8e9acfa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ nbconvert==5.2.1
 nbformat==4.3.0
 nltk==3.3
 notebook==5.0.0
-numpy==1.15.1
+numpy==1.22.0
 pandas==0.20.1
 plotly==2.0.15
 requests==2.18.2