diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 334b055..e1a90d2 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.4, 7.3, 7.2]
+        php: [8.1]
         dependency-version: [prefer-lowest, prefer-stable]
         os: [ubuntu-latest, windows-latest]