diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e8255cc..630d3fa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ env:
 
 jobs:
   lint:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout
         uses: actions/checkout@v7
@@ -51,7 +51,7 @@ jobs:
         run: hatch fmt
 
   unit-test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout
         uses: actions/checkout@v7
@@ -72,7 +72,7 @@ jobs:
   # those packages to GitHub as a build artifact. The push job downloads those
   # artifacts and pushes them as a single multi-platform package. 
   build:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     strategy:
       fail-fast: true
       matrix:
@@ -126,7 +126,7 @@ jobs:
   # pushes them as a multi-platform package.
   push:
     if: ${{ github.event_name != 'pull_request' }}
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     needs:
       - build
     steps: