diff --git a/requirements.txt b/requirements.txt
index 4a7e70e..711b344 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ mistune==0.7.4
 nbconvert==5.3.1
 nbformat==4.4.0
 notebook==5.1.0
-numpy==1.13.1
+numpy==1.22.0
 pandas==0.20.3
 pandocfilters==1.4.2
 pexpect==4.2.1