diff --git a/docs/requirements.txt b/docs/requirements.txt
index 783ba2b..f7be9a7 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 pandas==1.0.1
-numpy==1.18.1
+numpy==1.22.0
 matplotlib==3.1.3
 cycler==0.10.0
 kiwisolver==1.1.0