diff --git a/docs/requirements.txt b/docs/requirements.txt
index 805ee64..e5eec01 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.4
+numpy==1.22.0
 preparenovonix==1.0.1
 matplotlib==3.0.2