diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e40477..5e10d41 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,10 +15,9 @@ jobs:
   pest:
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-latest]
         laravel: [8, 9, 10, 11]
         php: [8.1, 8.2, 8.3]
         stability: [prefer-lowest, prefer-stable]
@@ -51,10 +50,9 @@ jobs:
   phpstan:
     name: Static analysis (PHPStan)
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
     strategy:
       matrix:
-        os: [ubuntu-latest]
         laravel: [8, 9, 10, 11]
         php: [8.1, 8.2, 8.3]
         stability: [prefer-lowest, prefer-stable]