diff --git a/src/chat/delivery/waku_client.nim b/src/chat/delivery/waku_client.nim
index bb91d6c..c846446 100644
--- a/src/chat/delivery/waku_client.nim
+++ b/src/chat/delivery/waku_client.nim
@@ -372,39 +372,48 @@ proc start*(client: WakuClient) {.async.} =
           mix_rln_interface.membershipKeyGen().valueOr:
             error "Failed to generate RLN identity", error = $error
             quit(QuitFailure)
-      var idCommitmentHex = ""
-      for b in idCred.idCommitment:
-        idCommitmentHex.add(toHex(int(b), 2))
+      let idCommitmentBytes = @(idCred.idCommitment)
 
       info "Registering via RLN gifter",
         gifterPeer = client.cfg.gifterNodeAddr,
-        idCommitment = idCommitmentHex[0 .. 15] & "..."
+        identityCommitmentLen = idCommitmentBytes.len
 
-      var authPayload = none(seq[byte])
+      var authType: seq[byte]
+      var authPayload: seq[byte]
       if client.cfg.gifterAuthKey.len > 0:
         let seckey = eth_keys.PrivateKey.fromHex(client.cfg.gifterAuthKey).valueOr:
           error "Failed to parse gifter auth key", error = $error
           quit(QuitFailure)
-        let sig = seckey.sign(rln_gifter_protocol.eip191Message(idCommitmentHex))
-        authPayload = some(@(sig.toRaw()))
+        let sig = seckey.sign(rln_gifter_protocol.eip191Message(idCommitmentBytes))
+        authPayload = @(sig.toRaw())
+        for c in rln_gifter_protocol.EthAllowlistAuthType:
+          authType.add(byte(c))
         info "Signing gifter request with EIP-191 auth key",
           signer = seckey.toPublicKey().to(eth_addresses.Address).to0xHex()
 
       let regRes = await gifterClient.requestMembership(
-        idCommitmentHex, uint64(lezGm.userMessageLimit), gifterPeer, authPayload
+        idCommitmentBytes,
+        some(uint64(lezGm.userMessageLimit)),
+        gifterPeer,
+        authType,
+        authPayload,
       )
       if regRes.isErr:
         error "Failed to register via gifter", error = regRes.error
         quit(QuitFailure)
-      let regResult = regRes.get()
+      let success = regRes.get()
+
+      let configAccountId = success.configAccountId.valueOr:
+        error "Gifter response missing configAccountId extension"
+        quit(QuitFailure)
 
       lezGm.credentials = some(idCred)
-      lezGm.membershipIndex = some(onchain_group_manager.MembershipIndex(regResult.leafIndex))
-      mix_lez_client.setRlnConfig(regResult.configAccountId, regResult.leafIndex.int)
+      lezGm.membershipIndex = some(onchain_group_manager.MembershipIndex(success.leafIndex))
+      mix_lez_client.setRlnConfig(configAccountId, success.leafIndex.int)
 
       info "Registered via RLN gifter",
-        leafIndex = regResult.leafIndex,
-        configAccount = regResult.configAccountId
+        leafIndex = success.leafIndex,
+        configAccount = configAccountId
 
   asyncSpawn taskKeepAlive(client)
 
diff --git a/vendor/logos-lez-rln b/vendor/logos-lez-rln
index 5f893fd..99ecf6b 160000
--- a/vendor/logos-lez-rln
+++ b/vendor/logos-lez-rln
@@ -1 +1 @@
-Subproject commit 5f893fd4b99411ee880b99f3953b0ea32b765a9d
+Subproject commit 99ecf6b6a355e13bd857501009f98f5842057249
diff --git a/vendor/nwaku b/vendor/nwaku
index 41d73f9..ba1ce02 160000
--- a/vendor/nwaku
+++ b/vendor/nwaku
@@ -1 +1 @@
-Subproject commit 41d73f92eb4e7810f830d18e8634d72759472936
+Subproject commit ba1ce0280fc9dc3e84fc630d4680302e942942d0