diff --git a/packages/apps-config/src/api/spec/kulupu.ts b/packages/apps-config/src/api/spec/kulupu.ts
index b4ff2612ca..10f583808b 100644
--- a/packages/apps-config/src/api/spec/kulupu.ts
+++ b/packages/apps-config/src/api/spec/kulupu.ts
@@ -36,6 +36,13 @@ const definitions: OverrideBundleDefinition = {
         Address: 'MultiAddress',
         LookupSource: 'MultiAddress'
       }
+    },
+    {
+      // enable pallet-lockdrop in runtime 17
+      minmax: [17, undefined],
+      types: {
+        CampaignIdentifier: '[u8; 4]'
+      }
     }
   ]
 };