diff --git a/.github/workflows/test_ntt_dilithium.yaml b/.github/workflows/test_ntt_dilithium.yaml
new file mode 100644
index 0000000..51cf4d7
--- /dev/null
+++ b/.github/workflows/test_ntt_dilithium.yaml
@@ -0,0 +1,16 @@
+name: Tests
+on:
+  pull_request:
+    branches: [ "main" ]
+jobs:
+  test_dilithium_ntt:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: install dependencies
+      run: sudo apt install gcc-aarch64-linux-gnu qemu-user
+    - name: Run tests
+      run: |
+        make run-cross-ntt_dilithium
diff --git a/slothy b/slothy
index 5552c48..306d3cf 160000
--- a/slothy
+++ b/slothy
@@ -1 +1 @@
-Subproject commit 5552c48e591d3af5805fece3d7eb1acbec218a6c
+Subproject commit 306d3cf1cafb3079113231ddc1202557eb381cf5