diff --git a/subgraph.yaml b/subgraph.yaml
index 62d9531f..175355d6 100644
--- a/subgraph.yaml
+++ b/subgraph.yaml
@@ -8,7 +8,7 @@ dataSources:
     name: Factory
     network: ropsten
     source:
-      address: '0x91EBae59ed5F3d88248A748C7369E13d04E2850a'
+      address: '0x1F98431c8aD98523631AE4a59f267346ea31F984'
       abi: Factory
       startBlock: 8845990
     mapping:
@@ -37,7 +37,7 @@ dataSources:
     name: NonfungiblePositionManager
     network: ropsten
     source:
-      address: '0xd6b8b0f37b4555eb3e788b8ce052659ab8a9bef0'
+      address: '0xC36442b4a4522E871399CD717aBDD847Ab11FE88'
       abi: NonfungiblePositionManager
       startBlock: 8845990
     mapping: