diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index ed5de63..7b97ad4 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -13,7 +13,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest]
-        php: [8.3, 8.2]
+        php: [8.3, 8.2, 8.1]
         laravel: [11.*, 10.*]
         stability: [prefer-lowest, prefer-stable]
         include: