diff --git a/src/constants.ts b/src/constants.ts
index c2e8e92..b682952 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -6,4 +6,4 @@ export let BIGINT_ONE = BigInt.fromI32(1);
 export let BIGINT_CANCELLATION_PERIOD_IN_SECONDS = BigInt.fromI32(3600);
 
 // TODO: Needs to be updated to activated block number
-export let BLOCK_NR_BUY_NOW_ACTIVATED = BigInt.fromI32(54989367);
\ No newline at end of file
+export let BLOCK_NR_BUY_NOW_ACTIVATED = BigInt.fromI32(55931248);
\ No newline at end of file
diff --git a/subgraph.yaml b/subgraph.yaml
index c12a1ea..3762313 100644
--- a/subgraph.yaml
+++ b/subgraph.yaml
@@ -1,4 +1,9 @@
 specVersion: 0.0.4
+features:
+  - grafting
+graft:
+  base: QmT2JC12A18dVFPs9BAoHFDgAjna8xHEELNB92GyJkZwda # Subgraph ID of base subgraph
+  block: 55931247 # Block number
 schema:
   file: ./schema.graphql
 dataSources: