diff --git a/.github/workflows/graph-slices.yml b/.github/workflows/graph-slices.yml
index 35768a0ac..9102c93df 100644
--- a/.github/workflows/graph-slices.yml
+++ b/.github/workflows/graph-slices.yml
@@ -19,7 +19,7 @@ permissions:
 
 jobs:
   slices:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 20
     steps:
       - uses: actions/checkout@v4
diff --git a/.github/workflows/pkg-pr-new.yml b/.github/workflows/pkg-pr-new.yml
index 9af29d804..1966249d5 100644
--- a/.github/workflows/pkg-pr-new.yml
+++ b/.github/workflows/pkg-pr-new.yml
@@ -36,7 +36,7 @@ jobs:
         include:
           - runner: blacksmith-4vcpu-ubuntu-2404
             target: executor-linux-x64
-          - runner: macos-14
+          - runner: blacksmith-6vcpu-macos-latest
             target: executor-darwin-arm64
     runs-on: ${{ matrix.runner }}
     steps: