diff --git a/requirements.txt b/requirements.txt
index 875c651..d324dbc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pandas==0.23.4
-numpy==1.15.4
+numpy==1.22.0
 matplotlib==3.0.2
 watermark==2.0.2
 ipython>=3.2.1