diff --git a/.github/workflows/ci-arm.yml b/.github/workflows/ci-arm.yml
index 4d53c58c270..76b6ad8019d 100644
--- a/.github/workflows/ci-arm.yml
+++ b/.github/workflows/ci-arm.yml
@@ -48,20 +48,13 @@ jobs:
   e2e:
     needs: build
     runs-on: master-arm
-    strategy:
-      fail-fast: false
-      matrix:
-        test:
-          - e2e-card-game
-          - e2e-crowdfunding-and-claim
     steps:
       - {uses: actions/checkout@v4, with: { ref: "${{ github.event.pull_request.head.sha }}"}}
       - uses: ./.github/ci-setup-action
         with:
           dockerhub_password: "${{ secrets.DOCKERHUB_PASSWORD }}"
-          concurrency_token: "${{ secrets.AZTEC_GITHUB_TOKEN }}"
-          concurrency_key: e2e-master-arm
+          concurrency_key: e2e-master-arm-e2e-tests
       - name: Test
         working-directory: ./yarn-project/end-to-end/
         timeout-minutes: 15
-        run: earthly -P --no-output +${{ matrix.test }} --e2e_mode=cache
+        run: earthly -P --no-output +e2e-tests --e2e_mode=cache
diff --git a/.github/workflows/setup-runner.yml b/.github/workflows/setup-runner.yml
index 9ec15357b2d..728b986d668 100644
--- a/.github/workflows/setup-runner.yml
+++ b/.github/workflows/setup-runner.yml
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Start EC2 runner
-        uses: AztecProtocol/ec2-action-builder@v0.3
+        uses: AztecProtocol/ec2-action-builder@v0.4
         with:
           github_token: ${{ secrets.GH_SELF_HOSTED_RUNNER_TOKEN }}
           aws_access_key_id: ${{ secrets.AWS_ACCESS_KEY_ID }}