diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 44bb68fc..d67d4780 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Install packages
         run: yarn
 
-      - name: Build
+      - name: Build for Mainnet
         run: yarn build
         env:
           REACT_APP_API_URL: "https://explorer-mainnet.infra.lum.network"
@@ -41,7 +41,7 @@ jobs:
       - name: Test
         run: yarn test
 
-      - name: Deploy
+      - name: Deploy Mainnet Preview
         uses: FirebaseExtended/action-hosting-deploy@v0
         with:
           repoToken: '${{ secrets.GITHUB_TOKEN }}'
@@ -51,3 +51,31 @@ jobs:
           target: mainnet
         env:
           FIREBASE_CLI_PREVIEWS: hostingchannels
+
+      - name: Build for Testnet
+        run: yarn build
+        env:
+          REACT_APP_API_URL: "https://explorer-testnet.infra.lum.network"
+          REACT_APP_IMPERATOR_API_URL: "https://api-osmosis.imperator.co"
+          GENERATE_SOURCEMAP: "false"
+          REACT_APP_RPC_LUM: "https://testnet-rpc.cosmosmillions.com/lum/rpc"
+          REACT_APP_RPC_ATOM: "https://testnet-rpc.cosmosmillions.com/atom/rpc"
+          REACT_APP_FIREBASE_API_KEY: "AIzaSyA49DTslUcJG2b5TUdI_EbPzugFFXOfO0o"
+          REACT_APP_FIREBASE_AUTH_DOMAIN: "lum-network.firebaseapp.com"
+          REACT_APP_FIREBASE_DATABASE_URL: "https://lum-network-default-rtdb.firebaseio.com"
+          REACT_APP_FIREBASE_PROJECT_ID: "lum-network"
+          REACT_APP_FIREBASE_STORAGE_BUCKET: "lum-network.appspot.com"
+          REACT_APP_FIREBASE_MESSAGING_SENDER_ID: "904911254564"
+          REACT_APP_FIREBASE_APP_ID: "1:904911254564:web:a0297e7aa68664410394b1"
+          REACT_APP_FIREBASE_MEASUREMENT_ID: "G-FZ28RMP812"
+
+      - name: Deploy Testnet Preview
+        uses: FirebaseExtended/action-hosting-deploy@v0
+        with:
+          repoToken: '${{ secrets.GITHUB_TOKEN }}'
+          firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT }}'
+          expires: 7d
+          projectId: lum-network
+          target: testnet
+        env:
+          FIREBASE_CLI_PREVIEWS: hostingchannels