diff --git a/packer/provisioners/ansible/group_vars/all.yml b/packer/provisioners/ansible/group_vars/all.yml
index 0f4dbd7..afc70fa 100644
--- a/packer/provisioners/ansible/group_vars/all.yml
+++ b/packer/provisioners/ansible/group_vars/all.yml
@@ -22,9 +22,9 @@ zlib_async_timeout: 300 # seconds (5 minutes)
 zlib_async_check_interval: 15 # seconds
 zlib_async_check_retries: 20
 
-hdf5_async_timeout: 3600 # seconds (60 minutes)
-hdf5_async_check_interval: 60 # seconds
-hdf5_async_check_retries: 60
+hdf5_async_timeout: 7200 # seconds (60 minutes)
+hdf5_async_check_interval: 120 # seconds
+hdf5_async_check_retries: 80
 
 netcdf_c_async_timeout: 1800 # seconds (30 minutes)
 netcdf_c_async_check_interval: 120 # seconds