diff --git a/.github/workflows/mantle_finalize_round.yml b/.github/workflows/mantle_finalize_round.yml
index 1298cd77c..0ccf766d7 100644
--- a/.github/workflows/mantle_finalize_round.yml
+++ b/.github/workflows/mantle_finalize_round.yml
@@ -22,7 +22,6 @@ on:
 
 env:
   NODE_VERSION: 16.x
-  NETWORK: "arbitrum-goerli"
   COORDINATOR_ETH_PK: ${{ secrets.MANTLE_TESTNET_COORDINATOR_WALLET_PRIVATE_KEY }}
   COORDINATOR_PK: ${{ secrets.MANTLE_TESTNET_COORDINATOR_MACI_PRIVATE_KEY }}
 
@@ -69,8 +68,8 @@ jobs:
         echo "MACI_START_BLOCK:" $MACI_START_BLOCK
         # tally and finalize
         cd contracts
-        yarn hardhat tally --round-address "${ROUND_ADDRESS}" --network "${NETWORK}"
+        yarn hardhat tally --round-address "${ROUND_ADDRESS}" --network "${{ github.event.inputs.network }}"
         curl --location --request POST 'https://api.pinata.cloud/pinning/pinFileToIPFS' \
           --header "Authorization: Bearer ${{ secrets.PINATA_JWT }}" \
           --form 'file=@"tally.json"'
-        yarn hardhat run --network "${NETWORK}" scripts/finalize.ts
+        yarn hardhat run --network "${{ github.event.inputs.network }}" scripts/finalize.ts
diff --git a/.github/workflows/mantle_new_recipient_registry.yml b/.github/workflows/mantle_new_recipient_registry.yml
new file mode 100644
index 000000000..d922731c8
--- /dev/null
+++ b/.github/workflows/mantle_new_recipient_registry.yml
@@ -0,0 +1,43 @@
+name: Mantle testnet - Create new round
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch_name:
+        description: 'Clrfund branch name'
+        required: true
+        default: 'cohort/EthSingapore'
+      factory:
+        description: 'Clrfund factory address'
+        required: true
+        default: '0x006f39E6a6D15323334Be1db34C73088550BB20a'
+      network:
+        description: 'Network'
+        required: true
+        default: 'mantle-testnet'
+
+env:
+  NODE_VERSION: 16.x
+  WALLET_PRIVATE_KEY: ${{ secrets.MANTLE_TESTNET_COORDINATOR_WALLET_PRIVATE_KEY }}
+
+jobs:
+  create-new-round:
+    runs-on: ubuntu-22.04
+    steps:
+    - name: Use Node.js ${{ env.NODE_VERSION }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ env.NODE_VERSION }}
+    - name: Checkout source code
+      uses: actions/checkout@v3
+    - name: Build CLR
+      run: |
+        yarn && yarn build
+    - name: Run create new round script
+      run: |
+        cd contracts
+        export FACTORY_ADDRESS="${{ github.event.inputs.factory }}"
+        yarn hardhat deploy-recipient-registry \
+          --network "${{ github.event.inputs.network }}" \
+          --factory "${{ github.event.inputs.factory }}" \
+          --type "optimistic"
diff --git a/contracts/tasks/index.ts b/contracts/tasks/index.ts
index 8cd3f1ac2..c3e053b2e 100644
--- a/contracts/tasks/index.ts
+++ b/contracts/tasks/index.ts
@@ -17,3 +17,4 @@ import './tally'
 import './findStorageSlot'
 import './setStorageRoot'
 import './loadMerkleUsers'
+import './deployRecipientRegistry'