diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 74413db..0dc89f8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Install PHP with extensions
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@2.11.0
         with:
           php-version: ${{ matrix.php }}
           extensions: ${{ env.extensions }}
diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index 078ced7..0b1ed27 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -23,7 +23,7 @@ jobs:
         uses: actions/checkout@v2.3.4
 
       - name: Install PHP
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@2.11.0
         with:
           php-version: "${{ matrix.php }}"
           tools: composer:v2, cs2pr