diff --git a/.github/workflows/renovate-config.yml b/.github/workflows/renovate-config.yml
index 8283bc3..05ae13d 100644
--- a/.github/workflows/renovate-config.yml
+++ b/.github/workflows/renovate-config.yml
@@ -9,7 +9,7 @@ permissions:
 jobs:
   renovate-config:
     name: Validate Renovate configuration
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 12
     steps:
       - name: Checkout caller repository
diff --git a/.github/workflows/renovate-policy-check.yml b/.github/workflows/renovate-policy-check.yml
index 2f16eb7..7544db4 100644
--- a/.github/workflows/renovate-policy-check.yml
+++ b/.github/workflows/renovate-policy-check.yml
@@ -21,7 +21,7 @@ permissions:
   contents: read
 jobs:
   policy:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Check out central policy
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
diff --git a/.github/workflows/renovate-quarantine-recheck-test.yml b/.github/workflows/renovate-quarantine-recheck-test.yml
index 2708936..3fc3c08 100644
--- a/.github/workflows/renovate-quarantine-recheck-test.yml
+++ b/.github/workflows/renovate-quarantine-recheck-test.yml
@@ -16,7 +16,7 @@ permissions:
 
 jobs:
   test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1