diff --git a/pyproject.toml b/pyproject.toml
index be7d59cef2a..628e00e3592 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -108,7 +108,7 @@ optional = [
     "chgnet>=0.4.0; python_version<'3.13'",
     "f90nml>=1.1.2",
     "galore>=0.6.1",
-    "h5py>=3.11.0",
+    "h5py>=3.12.1",
     "jarvis-tools>=2020.7.14",
     "matgl>=1.1.3; python_version<'3.13'",
     "matplotlib>=3.8",