diff --git a/setup.py b/setup.py
index 7cc4c4eb..ac819174 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
       packages=find_packages(exclude=[]),
       install_requires=["numpy<1.19.0",
                         "tensorflow",
-                        "h5py",
+                        "h5py==2.10.0",
                         "scikit-allel",
                         "matplotlib",
                         "scipy==1.4.1",