diff --git a/.github/workflows/ci-failure-email.yml b/.github/workflows/ci-failure-email.yml
index a9f3f0a..926d5d1 100644
--- a/.github/workflows/ci-failure-email.yml
+++ b/.github/workflows/ci-failure-email.yml
@@ -12,7 +12,7 @@ jobs:
     if: contains(fromJSON('["failure","timed_out","action_required"]'), github.event.workflow_run.conclusion)
     permissions:
       issues: write
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Create or update failure issue
         env:
@@ -71,7 +71,7 @@ jobs:
     if: github.event.workflow_run.conclusion == 'success'
     permissions:
       issues: write
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Close recovered failure issues
         env:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a196406..13e52b0 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -9,7 +9,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v6
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0ed4d50..0b12b80 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 10
 
     steps:
@@ -38,7 +38,7 @@ jobs:
         run: bun run lint
 
   test:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 10
 
     steps:
@@ -69,7 +69,7 @@ jobs:
           if-no-files-found: error
 
   publish-dry-run:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 10
 
     steps: