diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d83fe7d86..28480e8b1 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,7 +18,7 @@ permissions:
 jobs:
   publish:
     # slim has everything we need and more, and it's super fast to setup
-    runs-on: ubuntu-slim
+    runs-on: blacksmith-2vcpu-ubuntu-2404-arm
     steps:
       - uses: actions/checkout@v6
 
diff --git a/.github/workflows/validate-pr.yml b/.github/workflows/validate-pr.yml
index 086e0014d..8c1b311b6 100644
--- a/.github/workflows/validate-pr.yml
+++ b/.github/workflows/validate-pr.yml
@@ -23,7 +23,7 @@ permissions:
 
 jobs:
   validate:
-    runs-on: ubuntu-slim
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout base (trusted)
         uses: actions/checkout@v6