diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 7fefe35..35b954c 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -18,7 +18,7 @@ jobs:
         stability: [prefer-lowest, prefer-stable]
         include:
           - laravel: 10.*
-            testbench: 8.*
+            testbench: ^8.15
             carbon: ^2.63
 
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.stability }} - ${{ matrix.os }}