diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index c32cc62..a7aa7b8 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   Check:
     name: Check
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/validate-pr-title.yml b/.github/workflows/validate-pr-title.yml
index 841af32..df3e0a2 100644
--- a/.github/workflows/validate-pr-title.yml
+++ b/.github/workflows/validate-pr-title.yml
@@ -10,7 +10,7 @@ permissions:
 jobs:
   ValidatePrTitle:
     name: ValidatePrTitle
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Validate pull request title
         env: