diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9940cc6..19eb574 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   init:
     name: init
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     outputs:
       skip: ${{ steps.ci-skip-step.outputs.ci-skip }}
       skip-not: ${{ steps.ci-skip-step.outputs.ci-skip-not }}
@@ -18,7 +18,7 @@ jobs:
     name: Test on push
     needs: init
     if: ${{ needs.init.outputs.skip == 'false' && github.event_name == 'push' }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -68,7 +68,7 @@ jobs:
     # https://github.community/t/trigger-job-on-tag-push-only/18076
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     needs: test_push
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     permissions:
       checks: read