diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 7648539..3a95cec 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,10 +10,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: [ 7.3, 7.4, 8.0 ]
+        php: [ 7.3, 7.4, 8.0, 8.1 ]
         experimental: [ false ]
         include:
-          - php: 8.0
+          - php: 8.1
             analysis: true
 
     steps: