diff --git a/.github/workflows/build-ci-container.yml b/.github/workflows/build-ci-container.yml
index 1921a3675166d..994435a8973b6 100644
--- a/.github/workflows/build-ci-container.yml
+++ b/.github/workflows/build-ci-container.yml
@@ -27,9 +27,9 @@ jobs:
           # The arch names should match the names used on dockerhub.
           # See https://github.com/docker-library/official-images#architectures-other-than-amd64
           - arch: amd64
-            runs-on: depot-ubuntu-22.04-16
+            runs-on: depot-ubuntu-24.04-16
           - arch: arm64v8
-            runs-on: depot-ubuntu-22.04-arm-16
+            runs-on: depot-ubuntu-24.04-arm-16
     steps:
       - name: Checkout LLVM
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
diff --git a/.github/workflows/commit-access-greeter.yml b/.github/workflows/commit-access-greeter.yml
index 29a1b578f8af8..ef489b4d3c9a1 100644
--- a/.github/workflows/commit-access-greeter.yml
+++ b/.github/workflows/commit-access-greeter.yml
@@ -15,7 +15,7 @@ jobs:
     if: >-
       github.repository_owner == 'llvm' &&
       github.event.label.name == 'infra:commit-access-request'
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
         with:
diff --git a/.github/workflows/commit-access-review.yml b/.github/workflows/commit-access-review.yml
index 5ab0ddd50d241..d401a137737c4 100644
--- a/.github/workflows/commit-access-review.yml
+++ b/.github/workflows/commit-access-review.yml
@@ -12,7 +12,7 @@ permissions:
 jobs:
   commit-access-review:
     if: github.repository_owner == 'llvm'
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Fetch LLVM sources
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
diff --git a/.github/workflows/release-asset-audit.yml b/.github/workflows/release-asset-audit.yml
index 018c5d542f32e..8112d8a140810 100644
--- a/.github/workflows/release-asset-audit.yml
+++ b/.github/workflows/release-asset-audit.yml
@@ -19,7 +19,7 @@ permissions:
 jobs:
   audit:
     name: "Release Asset Audit"
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     if: github.repository == 'llvm/llvm-project'
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 #v4.1.6
diff --git a/.github/workflows/release-binaries-all.yml b/.github/workflows/release-binaries-all.yml
index fd4694ebea32d..0b52a08202f1a 100644
--- a/.github/workflows/release-binaries-all.yml
+++ b/.github/workflows/release-binaries-all.yml
@@ -57,7 +57,7 @@ jobs:
   setup-variables:
     if: >-
       (github.event_name != 'pull_request' || github.event.action != 'closed')
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     outputs:
       release-version: ${{ steps.vars.outputs.release-version }}
       upload: ${{ steps.vars.outputs.upload }}
@@ -85,6 +85,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        # We use ubuntu-22.04 rather than the latest version to make the built
+        # binaries more portable (eg functional aginast older glibc).
         runs-on:
           - ubuntu-22.04
           - ubuntu-22.04-arm
diff --git a/.github/workflows/release-binaries.yml b/.github/workflows/release-binaries.yml
index fd6a6cc931ec4..c113b42dc8ed4 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -16,6 +16,8 @@ on:
         description: "Runner to use for the build"
         required: true
         type: choice
+        # We use ubuntu-22.04 rather than the latest version to make the built
+        # binaries more portable (eg functional aginast older glibc).
         options:
           - ubuntu-22.04
           - ubuntu-22.04-arm
@@ -276,7 +278,7 @@ jobs:
     if: >-
       github.event_name != 'pull_request' &&
       needs.prepare.outputs.upload == 'true'
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     permissions:
       contents: write # For release uploads
       id-token: write     # For artifact attestations