diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e34aaa..cbf03b4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
 
       - uses: shivammathur/setup-php@v2
         with:
-          php-version: '7.3'
+          php-version: '7.4'
 
       - uses: "ramsey/composer-install@v1"
 
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['5.6', '7.0', '7.1', '7.2', '7.3']
+        php: ['7.3', '7.4', '8.0']
     name: PHP ${{ matrix.php }} tests
     steps:
       - uses: actions/checkout@v2