diff --git a/.github/workflows/generate.yaml b/.github/workflows/generate.yaml
index 25e6dcc8..00a5d800 100644
--- a/.github/workflows/generate.yaml
+++ b/.github/workflows/generate.yaml
@@ -73,7 +73,7 @@ jobs:
         run: git submodule update --init --depth 0
 
       - name: Install php
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@7fdd3ece872ec7ec4c098ae5ab7637d5e0a96067 # v2
         with:
           php-version: '8.1'
           tools: composer