diff --git a/requirements.txt b/requirements.txt
index 58ba98ee4..c8a5358f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,7 @@ galaxy-tool-util>=21.1.1,<22.5
 galaxy-util>=20.5.0,<22.5
 glob2
 gxformat2>=0.14.0
+h5py
 jinja2
 lxml
 oyaml