diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4003706..f3848ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,9 +10,14 @@ permissions:
   contents: read
   packages: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
-    runs-on: blacksmith-4vcpu-ubuntu-2404-arm
+    runs-on: blacksmith-2vcpu-ubuntu-2404-arm
+    timeout-minutes: 30
     env:
       GRADLE_USER_HOME: /tmp/grounds-push-gradle-${{ github.run_id }}-${{ github.run_attempt }}
     steps:
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index ff66bc0..60d2928 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -10,10 +10,15 @@ permissions:
   issues: write
   pull-requests: write
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: false
+
 jobs:
   release-please:
     name: Create Release
     runs-on: blacksmith-2vcpu-ubuntu-2404-arm
+    timeout-minutes: 10
     steps:
       - name: Check out
         uses: actions/checkout@v6
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 21079f1..a81e3c0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,9 +15,14 @@ permissions:
   contents: read
   packages: write
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: false
+
 jobs:
   publish:
-    runs-on: blacksmith-4vcpu-ubuntu-2404-arm
+    runs-on: blacksmith-2vcpu-ubuntu-2404-arm
+    timeout-minutes: 30
     env:
       GRADLE_USER_HOME: /tmp/grounds-push-gradle-${{ github.run_id }}-${{ github.run_attempt }}
     steps: