diff --git a/services/observability/v1/observability.json b/services/observability/v1/observability.json
index e6f1a04..81ed76d 100644
--- a/services/observability/v1/observability.json
+++ b/services/observability/v1/observability.json
@@ -1940,7 +1940,7 @@
             "type": "number"
           },
           "bucketSize": {
-            "minimum": 20,
+            "minimum": 0,
             "title": "Bucketsize",
             "type": "integer"
           },
@@ -2064,7 +2064,7 @@
             "type": "number"
           },
           "bucketSize": {
-            "minimum": 20,
+            "minimum": 0,
             "title": "Bucketsize",
             "type": "integer"
           },
@@ -3463,7 +3463,7 @@
     "description": "API endpoints for Observability on STACKIT",
     "termsOfService": "https://stackit.de/en/imprint",
     "title": "STACKIT Observability API",
-    "version": "1.1.0"
+    "version": "1.1.1"
   },
   "openapi": "3.0.1",
   "paths": {