add ci debug
diff --git a/.travis.yml b/.travis.yml
index 9b5fc99..d15aa1b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,4 @@
   - 20.3.8.2
 sudo: false
 script:
-- ./rebar3 do compile, dialyzer
+- ./rebar3 do compile DEBUG=1