diff --git a/metadata.json b/metadata.json
index 3976db87..6fefc9c4 100644
--- a/metadata.json
+++ b/metadata.json
@@ -15,6 +15,10 @@
     {
       "name": "puppetlabs/concat",
       "version_requirement": ">= 6.4.0 < 10.0.0"
+    },
+    {
+      "name": "icinga/icinga",
+      "version_requirement": ">= 2.9.0 < 5.0.0"
     }
   ],
   "operatingsystem_support": [