diff --git a/h/HDF5/HDF5-1.12.1-intel-2021b-parallel.eb b/h/HDF5/HDF5-1.12.1-intel-2021b-parallel.eb
index b88e8dfe..17a4d244 100644
--- a/h/HDF5/HDF5-1.12.1-intel-2021b-parallel.eb
+++ b/h/HDF5/HDF5-1.12.1-intel-2021b-parallel.eb
@@ -15,6 +15,7 @@ toolchainopts = {'pic': True, 'usempi': True}
 source_urls = [
     'https://support.hdfgroup.org/ftp/HDF5/releases/hdf5-%(version_major_minor)s/hdf5-%(version)s/src']
 sources = [SOURCELOWER_TAR_GZ]
+checksums = ['79c66ff67e666665369396e9c90b32e238e501f345afd2234186bfb8331081ca']
 
 # AMD/intel cpu
 import os