diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 7b398e4..f8542a8 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -7,7 +7,7 @@ env:
 
 jobs:
   validate:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4core
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 74f6154..db69ef2 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -10,7 +10,7 @@ env:
 
 jobs:
   validate:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4core
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c403ee0..6f5a62d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ permissions:
 
 jobs:
   release:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-4core
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4