diff --git a/.travis.yml b/.travis.yml
index cda5d0a..aa4a579 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,9 @@
 language: erlang
 script: rebar compile && rebar skip_deps=true eunit
 otp_release:
-  - 17.5
-  - 18.0
-  - R16B03-1
   - R15B02
+  - R16B03-1
+  - 17.5
+  - 18.3
+  - 19.2
 
diff --git a/rebar.config b/rebar.config
index 51ac4c1..a647508 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1 +1,2 @@
 {edoc_opts, [{preprocess, true}]}.
+{erl_opts, [debug_info]}.