diff --git a/requirements.txt b/requirements.txt
index 47e1fb4..a537d61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ more-itertools==3.2.0
 nbconvert==4.2.0
 nbformat==4.2.0
 notebook==4.3.1
-numpy==1.11.3
+numpy==1.22.0
 pandas==0.19.2
 pexpect==4.2.1
 pickleshare==0.7.4