diff --git a/requirements.txt b/requirements.txt
index cb474e8..0b8c875 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 matplotlib==3.1.3
 nbformat==4.4.0
-numpy==1.18.1
+numpy==1.22.0
 watermark==2.0.2