diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c3d2f65..08acd13 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,10 +6,14 @@ on:
     pull_request:
         branches: [master]
 
+concurrency:
+    group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+    cancel-in-progress: true
+
 jobs:
     test:
         name: Run tests on Node.js ${{ matrix.node-version }}
-        runs-on: ubuntu-latest
+        runs-on: self-hosted-arc
 
         strategy:
             matrix:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 18b499a..694f601 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,13 +5,17 @@ on:
         branches:
             - master
 
+concurrency:
+    group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+    cancel-in-progress: true
+
 permissions:
     contents: write
     pull-requests: write
 
 jobs:
     release-please:
-        runs-on: ubuntu-latest
+        runs-on: self-hosted-arc
         outputs:
             release_created: ${{ steps.release.outputs.release_created }}
         steps:
@@ -25,7 +29,7 @@ jobs:
     publish:
         needs: release-please
         if: ${{ needs.release-please.outputs.release_created }}
-        runs-on: ubuntu-latest
+        runs-on: self-hosted-arc
         steps:
             - uses: actions/checkout@v4