diff --git a/.uberenv_config.json b/.uberenv_config.json
index 95ffe834..f801759f 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": "v1.1.0",
+"spack_branch": "v1.1.1",
 "spack_configs_path": "scripts/radiuss-spack-configs",
 "spack_packages_path": ["scripts/radiuss-spack-configs/spack_repo/llnl_radiuss/packages", "scripts/spack_packages/spack_repo/llnl_care/packages"],
 "spack_setup_clingo": false
diff --git a/scripts/radiuss-spack-configs b/scripts/radiuss-spack-configs
index 82c829af..ebe485fe 160000
--- a/scripts/radiuss-spack-configs
+++ b/scripts/radiuss-spack-configs
@@ -1 +1 @@
-Subproject commit 82c829afc727791d08c1441f75258b6bb2fa2c10
+Subproject commit ebe485fe17164623df7ec79df1e0371be536f343