diff --git a/pyproject.toml b/pyproject.toml
index 5de39950f..9debeb5e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dependencies = [
     "PyYAML>=5.4",
     "scipy>=1.4.1",
     "h5py>=3.9.0",
-    "hdmf>=3.13.0<=3.14.5",  # Chunking bug
+    "hdmf>=3.13.0,<=3.14.5",  # Chunking bug
     "hdmf_zarr>=0.7.0",
     "pynwb>=2.7.0",
     "pydantic>=2.0.0",