diff --git a/README.md b/README.md
index 0a7eed0..296394d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ## Source
 
-* Subgraph: [secured-finance-subgraph v0.1.1](https://github.com/cerc-io/secured-finance-subgraph/releases/tag/v0.1.1)
+* Subgraph: [secured-finance-subgraph v0.1.2-watcher-0.1.1](https://github.com/cerc-io/secured-finance-subgraph/releases/tag/v0.1.2-watcher-0.1.1)
 
 ## Setup
 
diff --git a/src/indexer.ts b/src/indexer.ts
index b80a260..2525606 100644
--- a/src/indexer.ts
+++ b/src/indexer.ts
@@ -33,8 +33,7 @@ import {
   UpstreamConfig,
   EthFullBlock,
   EthFullTransaction,
-  ExtraEventData,
-  ContractInterface
+  ExtraEventData
 } from '@cerc-io/util';
 import { initClients } from '@cerc-io/cli';
 import { GraphWatcher } from '@cerc-io/graph-node';
@@ -560,7 +559,7 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.getEventsByFilter(blockHash, contract, name);
   }
 
-  isContractAddressWatched (address : string): ContractInterface[] | undefined {
+  isContractAddressWatched (address : string): Contract[] | undefined {
     return this._baseIndexer.isContractAddressWatched(address);
   }