diff --git a/requirements.txt b/requirements.txt
index 395b6a8..b980cf5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ matplotlib==3.1.3
 mkdocs==1.0.4
 mkdocs-material==4.6.2
 mkdocs-minify-plugin==0.2.1
-numpy==1.18.1
+numpy==1.22.0
 pandas==1.0.1
 parso==0.6.1
 pexpect==4.8.0