diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index f2714afa..ec27b54d 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4']
+        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0']
         os: ['ubuntu-latest']
         include:
           - php: '5.6'
@@ -51,18 +51,20 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     env:
-      phpunit-version: 7.5.20
+      phpunit-version: 8.5.15
 
     strategy:
       fail-fast: false
       matrix:
-        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4']
+        php: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0']
         os: ['ubuntu-latest']
         include:
           - php: '5.6'
             phpunit-version: 5.7.27
           - php: '7.0'
             phpunit-version: 6.5.14
+          - php: '7.1'
+            phpunit-version: 7.5.20
 
     steps:
       - name: Checkout code base