diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 3b40738..be5e5be 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -19,3 +19,4 @@ jobs:
             hook-script: "resources/gh-pages-hook.sh"
             force-orphan: false
             graph-uml: false
+            php-version: "8.2"