diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 61c2774..31512a6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,6 +51,8 @@ jobs:
           node-version: 22
           cache: pnpm
       - run: pnpm install --frozen-lockfile
+      - name: Audit package signatures
+        run: pnpm audit signatures --audit-level=high
       - name: Socket supply-chain scan
         if: github.event_name == 'pull_request'
         run: |