diff --git a/.github/workflows/libcxx-build-containers.yml b/.github/workflows/libcxx-build-containers.yml
index bb4bd8843772f..b499af943c8e7 100644
--- a/.github/workflows/libcxx-build-containers.yml
+++ b/.github/workflows/libcxx-build-containers.yml
@@ -26,7 +26,7 @@ on:
 
 jobs:
   build-and-push:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     if: github.repository_owner == 'llvm'
     permissions:
       packages: write
diff --git a/.github/workflows/libcxx-check-generated-files.yml b/.github/workflows/libcxx-check-generated-files.yml
index 570055624b2a8..1f8103a114b9f 100644
--- a/.github/workflows/libcxx-check-generated-files.yml
+++ b/.github/workflows/libcxx-check-generated-files.yml
@@ -9,7 +9,7 @@ permissions:
 
 jobs:
   check_generated_files:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Fetch LLVM sources
         uses: actions/checkout@v4
diff --git a/.github/workflows/libcxx-restart-preempted-jobs.yaml b/.github/workflows/libcxx-restart-preempted-jobs.yaml
index e7e3772d4de22..7b341d7f22e41 100644
--- a/.github/workflows/libcxx-restart-preempted-jobs.yaml
+++ b/.github/workflows/libcxx-restart-preempted-jobs.yaml
@@ -26,7 +26,7 @@ jobs:
       statuses: read
       checks: write
       actions: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: "Restart Job"
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1
@@ -161,7 +161,7 @@ jobs:
       statuses: read
       checks: write
       actions: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: "Restart Job (test)"
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1