diff --git a/metadata.json b/metadata.json
index 6d45322..470582e 100644
--- a/metadata.json
+++ b/metadata.json
@@ -18,7 +18,7 @@
     },
     {
       "name": "puppetlabs/stdlib",
-      "version_requirement": ">= 6.18.0 < 8.0.0"
+      "version_requirement": ">= 6.6.0 < 8.0.0"
     },
     {
       "name": "simp/simplib",