diff --git a/.github/workflows/static.yml b/.github/workflows/static.yml
index c8d546a..46e49b6 100644
--- a/.github/workflows/static.yml
+++ b/.github/workflows/static.yml
@@ -13,10 +13,10 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
     - name: Setup PHP
-      uses: shivammathur/setup-php@v2
+      uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
       with:
         php-version: 8.2
         tools: composer:v2
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bb822d9..2d7d97a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,10 +16,10 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
     - name: Setup PHP
-      uses: shivammathur/setup-php@v2
+      uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
       with:
         php-version: ${{ matrix.php }}
         tools: composer:v2