diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 169dbfa15..64d1faf42 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ permissions:
 
 jobs:
   add-contributors:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     if: github.event.repository.fork == false && github.ref == 'refs/heads/main'
     steps:
       - name: Checkout repository
@@ -34,7 +34,7 @@ jobs:
           AVATAR_SHAPE: 'square'
 
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     if: github.event.repository.fork == false && github.event_name != 'pull_request'
     outputs:
       url: ${{ steps.cloudflare.outputs.deployment-url }}
diff --git a/.github/workflows/notify.yml b/.github/workflows/notify.yml
index 978a22ecf..bcb03a4e4 100644
--- a/.github/workflows/notify.yml
+++ b/.github/workflows/notify.yml
@@ -14,7 +14,7 @@ permissions:
 jobs:
   notify:
     if: contains(fromJSON('["success", "failure", "timed_out", "startup_failure", "cancelled"]'), github.event.workflow_run.conclusion)
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Notify workflow completion
         uses: saltyorg/github-actions/notify@v1.2.0
diff --git a/.github/workflows/workflow-result-ci.yml b/.github/workflows/workflow-result-ci.yml
index efbf72707..d730bc88a 100644
--- a/.github/workflows/workflow-result-ci.yml
+++ b/.github/workflows/workflow-result-ci.yml
@@ -27,7 +27,7 @@ permissions:
 
 jobs:
   validate:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7