diff --git a/setup.py b/setup.py
index 06af227..a7a96ac 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 if __name__ == "__main__":
     setup(
-        install_requires=["pyqt5", "pyqtgraph"],
+        install_requires=["pyqt5", "pyqtgraph", "h5py"],
         entry_points={"console_scripts": ["grum=grum:main"]},
     )