diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0126b61..769605c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 480
 
     strategy:
@@ -16,7 +16,7 @@ jobs:
         build: [release, debug]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: setup dependencies
       run: |