diff --git a/setup.py b/setup.py
index c703abb7..992de6c1 100755
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 reqs = [
     'hdmf>=3.7.0',
     'zarr>=2.11.0',
-    'numpy>=1.22,
+    'numpy>=1.22',
     'numcodecs>=0.9.1',
     'pynwb>=2.0.0',
     'setuptools',