diff --git a/.uberenv_config.json b/.uberenv_config.json
index 696cb409f..3b8dc2a16 100644
--- a/.uberenv_config.json
+++ b/.uberenv_config.json
@@ -4,7 +4,7 @@
 "package_final_phase" : "initconfig",
 "package_source_dir" : "../..",
 "spack_url": "https://github.com/spack/spack.git",
-"spack_branch": "woptim/radiuss-packages-update",
+"spack_commit": "d7f5dbaf8911387d6c38035f0d508702ee71b03a",
 "spack_activate" : {},
 "spack_configs_path": "scripts/radiuss-spack-configs",
 "spack_packages_path": "scripts/radiuss-spack-configs/packages",