diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e33acd1..3f92839 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,7 +5,7 @@ on:
       - 'main'
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - uses: actions/checkout@v4
       - name: Set up JDK 21
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 90613a4..b91a74c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -6,7 +6,7 @@ on:
     workflow_dispatch:
 jobs:
   publish:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     permissions:
       contents: write
       packages: write