diff --git a/docs/readthedocs_requirements.txt b/docs/readthedocs_requirements.txt
index 389451e..b6fd427 100644
--- a/docs/readthedocs_requirements.txt
+++ b/docs/readthedocs_requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.21.1
+numpy==1.22.0
 numpydoc
 sphinx_rtd_theme
 matplotlib