diff --git a/.github/workflows/mise.yml b/.github/workflows/mise.yml
index c7aa3d94..c8d049e3 100644
--- a/.github/workflows/mise.yml
+++ b/.github/workflows/mise.yml
@@ -18,7 +18,7 @@ concurrency:
 
 jobs:
   ubuntu:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
diff --git a/.github/workflows/repository-updates.yml b/.github/workflows/repository-updates.yml
index c19177da..3b4ac328 100644
--- a/.github/workflows/repository-updates.yml
+++ b/.github/workflows/repository-updates.yml
@@ -19,7 +19,7 @@ concurrency:
 
 jobs:
   update:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     timeout-minutes: 60
     env:
       UPDATE_BRANCH: automation/repository-updates