diff --git a/.github/workflows/php-tests.yml b/.github/workflows/php-tests.yml
index a732de3..f39621f 100644
--- a/.github/workflows/php-tests.yml
+++ b/.github/workflows/php-tests.yml
@@ -18,7 +18,7 @@ jobs:
                     - { php-version: 8.4, dependencies: highest, coverage: pcov, with_coverage: false, allow-fail: true }
         steps:
             -   name: "Checkout"
-                uses: "actions/checkout@v4.2.2"
+                uses: "actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955" # v4.3.0
 
             -   name: "Install PHP"
                 uses: "shivammathur/setup-php@20529878ed81ef8e78ddf08b480401e6101a850f" # 2.35.3