diff --git a/.github/workflows/aunit.yml b/.github/workflows/aunit.yml
index 117bccd..b354a4e 100644
--- a/.github/workflows/aunit.yml
+++ b/.github/workflows/aunit.yml
@@ -21,6 +21,7 @@ jobs:
         git clone https://github.com/bxparks/AceRoutine
         git clone https://github.com/bxparks/AUnit
         git clone https://github.com/bxparks/AceCommon
+        git clone https://github.com/hsaturn/TinyMqtt
     - name: Verify tests
       run: |
         make -C tests