diff --git a/setup.py b/setup.py
index 23d0044..96fe497 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@
         'Topic :: Scientific/Engineering',
         'Topic :: Utilities'],
     install_requires=[
-        'numpy',
+        'numpy<1.24',
         'neo',
         'matplotlib',
         'efel',