diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 185563e..cde4ed0 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -54,7 +54,7 @@ jobs:
         run: git clone --depth 1 https://github.com/interactivetools-com/SmartString.git ../SmartString
 
       - name: Setup PHP ${{ matrix.php }}
-        uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # 2.37.2
+        uses: shivammathur/setup-php@eb7c497e18156a6bbabfef1d3a82760b9eda3962 # 2.40.0
         timeout-minutes: 5  # takes under 3 min; setup-php can hang on macOS
         with:
           php-version: ${{ matrix.php }}