diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c40034b..f71443d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
         name: Check composer.json
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v6
             - uses: shivammathur/setup-php@v2
               with:
                   coverage: none
@@ -21,7 +21,7 @@ jobs:
         name: Static analysis
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v6
             - uses: shivammathur/setup-php@v2
               with:
                   coverage: none
@@ -37,7 +37,7 @@ jobs:
         strategy:
             fail-fast: false
             matrix:
-                php: [ '8.2', '8.3', '8.4' ]
+                php: [ '8.2', '8.3', '8.4', '8.5' ]
                 min_stability: [ '' ]
                 name_suffix: [ '' ]
                 composer_flags: [ '' ]
@@ -51,7 +51,7 @@ jobs:
                       composer_flags: '--prefer-lowest'
 
         steps:
-            -   uses: actions/checkout@v4
+            -   uses: actions/checkout@v6
             -   uses: shivammathur/setup-php@v2
                 with:
                     coverage: "none"