diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 705e84f..ec6da5b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,11 +6,11 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
 
       - name: Read Codex version from Dockerfile
         id: version
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index bd6d311..e9a1fc1 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -15,11 +15,11 @@ permissions:
 
 jobs:
   publish:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v7
         with:
           fetch-depth: 2