diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5584c89..153c3a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ jobs:
     name: Stable and nightly
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest, macos-12]
+        os: [ubuntu-latest, macos-latest, windows-latest, macos-12, ubuntu-24.04]
         version: [stable, nightly]
         neovim: [true, false]
       fail-fast: false
@@ -118,4 +118,4 @@ jobs:
       - name: Check workflow files
         run: |
           bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
-          ./actionlint -color
+          ./actionlint -color -ignore 'label "ubuntu-24\.04" is unknown\.'