diff --git a/.github/workflows/run_cts_tests.yaml b/.github/workflows/run_cts_tests.yaml
index 514162b04..eb79f8842 100644
--- a/.github/workflows/run_cts_tests.yaml
+++ b/.github/workflows/run_cts_tests.yaml
@@ -48,7 +48,8 @@ jobs:
         run: |
           export CUTTLEFISH_ENV_OVERRIDE_PREFIX=EMQX_
           printenv > .env
-          docker exec --env-file .env -i erlang sh -c "make apps/emqx_auth_ldap-ct"
+          docker exec -i erlang sh -c "make ensure-rebar3"
+          docker exec --env-file .env -i erlang sh -c "./rebar3 ct --dir apps/emqx_auth_ldap"
       - uses: actions/upload-artifact@v1
         if: failure()
         with: