diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2548117..08694a8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,6 +27,7 @@ jobs:
       fail-fast: true
       matrix:
         php:
+          - "8.1"
           - "8.2"
           - "8.3"