diff --git a/.github/workflows/install-testing.yml b/.github/workflows/install-testing.yml
index d69dc103d2d3a..9f814eccaf91d 100644
--- a/.github/workflows/install-testing.yml
+++ b/.github/workflows/install-testing.yml
@@ -58,6 +58,7 @@ jobs:
   # Performs the following steps:
   # - Sets up PHP.
   # - Downloads the specified version of WordPress.
+  # - Verifies files against WordPress.org’s checksums.
   # - Creates a `wp-config.php` file.
   # - Installs WordPress.
   install-tests-mysql:
@@ -129,6 +130,9 @@ jobs:
         env:
           WP_VERSION: ${{ inputs.wp-version || 'nightly' }}
 
+      - name: Verify checksums
+        run: wp core verify-checksums
+
       - name: Create wp-config.php file
         run: wp config create --dbname=test_db --dbuser=root --dbpass=root --dbhost="127.0.0.1:${DB_PORT}"
         env:
diff --git a/.github/workflows/reusable-upgrade-testing.yml b/.github/workflows/reusable-upgrade-testing.yml
index 169abe20006a4..f82dc6be9cf2d 100644
--- a/.github/workflows/reusable-upgrade-testing.yml
+++ b/.github/workflows/reusable-upgrade-testing.yml
@@ -47,6 +47,7 @@ jobs:
   # Performs the following steps:
   # - Sets up PHP.
   # - Downloads the specified version of WordPress.
+  # - Verifies files against WordPress.org’s checksums.
   # - Creates a `wp-config.php` file.
   # - Installs WordPress.
   # - Checks the version of WordPress before the upgrade.
@@ -89,6 +90,9 @@ jobs:
         env:
           WP_VERSION: ${{ inputs.wp }}
 
+      - name: Verify checksums
+        run: wp core verify-checksums
+
       - name: Create wp-config.php file
         run: wp config create --dbname=test_db --dbuser=root --dbpass=root --dbhost="127.0.0.1:${DB_PORT}"
         env: