diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aa7dc91f..e337c046 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -191,7 +191,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@fc14643b0a99ee9db10a3c025a33d76544fa3761
         with:
           php-version: '8.3'
           tools: pecl