diff --git a/pyproject.toml b/pyproject.toml
index bb68e9f..deb89b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,6 +13,7 @@ requires-python = ">=3.7"
 dependencies = [
     "numpy",
     "scipy",
+    "h5py",
 ]
 
 [project.urls]