diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 71b980497b..79d48a7700 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,6 +16,7 @@ env:
   HOMEBREW_NO_ENV_HINTS: 1
   HOMEBREW_BOOTSNAP: 1
   HOMEBREW_NO_INSTALL_CLEANUP: 1
+  HOMEBREW_VERIFY_ATTESTATIONS: 1
 
 concurrency:
   group: "${{ github.ref }}"