diff --git a/openlego/docs/requirements.txt b/openlego/docs/requirements.txt
index bd2c7c9..5fd66a9 100644
--- a/openlego/docs/requirements.txt
+++ b/openlego/docs/requirements.txt
@@ -1,7 +1,7 @@
 mock==2.0.0
 redbaron==0.6.3
 networkx==1.11
-numpy==1.12.1
+numpy==1.21.0
 numpydoc==0.6.0
 parameterized==0.6.1
 six==1.10.0