diff --git a/requirements.txt b/requirements.txt
index b74e210..6022d03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 #this file is needed for doc building by readthedocs.org
 sphinxcontrib-bibtex
 pybind11>=2.6.0
-numpy==1.21.0
+numpy==1.22.0
 scipy
 scikit-learn