diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 79d66cb48..9a1213e14 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       max-parallel: 2
       matrix:
-        php-versions: ['7.2', '7.3']
+        php-versions: ['7.2', '7.3', '7.4']
 
     steps:
     - uses: actions/checkout@v1