diff --git a/.github/workflows/checksum-phar.yml b/.github/workflows/checksum-phar.yml
index 629996828b..a7e4238343 100644
--- a/.github/workflows/checksum-phar.yml
+++ b/.github/workflows/checksum-phar.yml
@@ -72,7 +72,9 @@ jobs:
       - name: "Change and commit README.md"
         run: |
           echo Testing > README.md
-          git commit -a -m 'Changed README' --author "phpstan-bot <ondrej+phpstanbot@mirtes.cz>"
+          git config --global user.name "phpstan-bot"
+          git config --global user.email "ondrej+phpstanbot@mirtes.cz"
+          git commit -a -m 'Changed README'
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"