diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c59e61a..48e83fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          submodules: true
       - name: Setup node
         uses: actions/setup-node@v3
         with:
@@ -32,3 +34,5 @@ jobs:
         run: npm run lint
       - name: Test
         run: npm test
+      - name: commaai/cereal test
+        run: npm run cereal
diff --git a/third_party/cereal b/third_party/cereal
index 42f84fd..e29625c 160000
--- a/third_party/cereal
+++ b/third_party/cereal
@@ -1 +1 @@
-Subproject commit 42f84fd85d06c0fc85371daa2b4820fca49d763e
+Subproject commit e29625c30bb2a4a34ce21134d0e5a91b2d4fa1b1