diff --git a/tests/messaging/test_rln_proof_attach.nim b/tests/messaging/test_rln_proof_attach.nim
index 11f7d754a..a7d23bb90 100644
--- a/tests/messaging/test_rln_proof_attach.nim
+++ b/tests/messaging/test_rln_proof_attach.nim
@@ -75,9 +75,9 @@ suite "SendService RLN proof attach - RLN mounted":
 
     let credentials = generateCredentials()
     (
-      waitFor cast[OnchainGroupManager](waku.node.rln.groupManager).register(
-        credentials, UserMessageLimit(20)
-      )
+      waitFor cast[OnchainGroupManager](waku.node.rln.groupManager)
+        .withFastRetries()
+        .register(credentials, UserMessageLimit(20))
     ).isOkOr:
       assert false, "failed to register RLN credentials: " & error
 
diff --git a/tests/waku_rln_relay/utils_onchain.nim b/tests/waku_rln_relay/utils_onchain.nim
index 39048314f..332f41dbc 100644
--- a/tests/waku_rln_relay/utils_onchain.nim
+++ b/tests/waku_rln_relay/utils_onchain.nim
@@ -746,7 +746,12 @@ proc setupOnchainGroupManager*(
     return
 
   await sendMintCall(
-    web3, web3.defaultAccount, testTokenAddress, acc, ethToWei(1000.u256), Opt.some(0.u256)
+    web3,
+    web3.defaultAccount,
+    testTokenAddress,
+    acc,
+    ethToWei(1000.u256),
+    Opt.some(0.u256),
   )
 
   let contractAddress = (await executeForgeContractDeployScripts(privateKey, acc, web3)).valueOr: