diff --git a/.github/workflows/build-and-push.yaml b/.github/workflows/build-and-push.yaml
index 4a3d2ac7..5c025f42 100644
--- a/.github/workflows/build-and-push.yaml
+++ b/.github/workflows/build-and-push.yaml
@@ -14,7 +14,7 @@ env:
 
 jobs:
   build-and-push:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-16core
     permissions:
       contents: read
       packages: write
diff --git a/.github/workflows/mdbook.yml b/.github/workflows/mdbook.yml
index 51fb9114..cae92de9 100644
--- a/.github/workflows/mdbook.yml
+++ b/.github/workflows/mdbook.yml
@@ -23,7 +23,7 @@ concurrency:
 jobs:
   # Build job
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-16core
     env:
       MDBOOK_VERSION: 0.5.2
     steps:
@@ -48,7 +48,7 @@ jobs:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-16core
     needs: build
     steps:
       - name: Deploy to GitHub Pages