diff --git a/src/rln_contract.spec.ts b/src/rln_contract.spec.ts
index 4455137..1536c9c 100644
--- a/src/rln_contract.spec.ts
+++ b/src/rln_contract.spec.ts
@@ -12,11 +12,11 @@ describe("RLN Contract abstraction", () => {
 
     chai.spy.on(rlnInstance, "insertMember");
 
-    const voidSigner = new ethers.VoidSigner(rln.DEV_CONTRACT.address);
-    const rlnContract = new rln.RLNContract(
-      rln.DEV_CONTRACT.address,
-      voidSigner
-    );
+    const voidSigner = new ethers.VoidSigner(rln.GOERLI_CONTRACT.address);
+    const rlnContract = new rln.RLNContract({
+      address: rln.GOERLI_CONTRACT.address,
+      provider: voidSigner,
+    });
 
     chai.spy.on(rlnContract, "contract.queryFilter", () =>
       Promise.resolve([mockEvent()])
@@ -32,11 +32,11 @@ describe("RLN Contract abstraction", () => {
       "0xdeb8a6b00a8e404deb1f52d3aa72ed7f60a2ff4484c737eedaef18a0aacb2dfb4d5d74ac39bb71fa358cf2eb390565a35b026cc6272f2010d4351e17670311c21c";
 
     const rlnInstance = await rln.create();
-    const voidSigner = new ethers.VoidSigner(rln.DEV_CONTRACT.address);
-    const rlnContract = new rln.RLNContract(
-      rln.DEV_CONTRACT.address,
-      voidSigner
-    );
+    const voidSigner = new ethers.VoidSigner(rln.GOERLI_CONTRACT.address);
+    const rlnContract = new rln.RLNContract({
+      address: rln.GOERLI_CONTRACT.address,
+      provider: voidSigner,
+    });
 
     chai.spy.on(rlnContract, "contract.MEMBERSHIP_DEPOSIT", () =>
       Promise.resolve(1)