diff --git a/setup.py b/setup.py
index 83b40dc9..52261867 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
         'pyiron_atomistics==0.2.57',
         'ipywidgets==7.7.1',
         'matplotlib==3.6.0',
-        'numpy==1.23.3',
+        'numpy==1.23.4',
         'pandas==1.5.0',
     ]
 )