diff --git a/.github/workflows/backend-ci.yaml b/.github/workflows/backend-ci.yaml
index a66d6fe..0dcc038 100644
--- a/.github/workflows/backend-ci.yaml
+++ b/.github/workflows/backend-ci.yaml
@@ -10,13 +10,13 @@ on:
 jobs:
     cs-fix:
         name: Run code style check
-        runs-on: "ubuntu-22.04"
+        runs-on: "ubuntu-24.04"
         strategy:
             matrix:
                 php:
                     - '8.1'
         steps:
-            -   uses: actions/checkout@v4
+            -   uses: actions/checkout@v6
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2
@@ -33,7 +33,7 @@ jobs:
 
     tests:
         name: Tests
-        runs-on: "ubuntu-22.04"
+        runs-on: "ubuntu-24.04"
         timeout-minutes: 10
 
         strategy:
@@ -41,13 +41,11 @@ jobs:
             matrix:
                 php:
                     - '7.4'
-                    - '8.0'
-                    - '8.1'
-                    - '8.2'
                     - '8.3'
+                    - '8.4'
 
         steps:
-            -   uses: actions/checkout@v4
+            -   uses: actions/checkout@v6
 
             -   name: Setup PHP Action
                 uses: shivammathur/setup-php@v2