diff --git a/.fixtures.yml b/.fixtures.yml
index 1236859..0d73d4b 100644
--- a/.fixtures.yml
+++ b/.fixtures.yml
@@ -2,6 +2,6 @@ fixtures:
   forge_modules:
     stdlib:
       repo: puppetlabs/stdlib
-      ref: 7.0.0
+      ref: 9.6.0
   symlinks:
     sssd: "#{source_dir}"
diff --git a/metadata.json b/metadata.json
index 9a84b6b..f572652 100644
--- a/metadata.json
+++ b/metadata.json
@@ -10,7 +10,7 @@
   "dependencies": [
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 4.2.0 < 8.0.0"
+      "version_requirement": ">= 4.2.0 < 10.0.0"
     }
   ],
   "data_provider": "hiera",