diff --git a/docs/requirements.txt b/docs/requirements.txt
index c1c827b..0d37247 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.16.0
+numpy==1.22.0
 setuptools==40.6.3
 scipy==1.1.0
 matplotlib==2.0.2