diff --git a/.travis.yml b/.travis.yml
index 2a05740..c870a45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,8 @@ otp_release:
        - R16B02
        - R16B01
        - R16B
-script: "DEBUG=1 ./rebar3 update && DEBUG=1 ./rebar3 compile && DEBUG=1 ./rebar3 ct"
+       - R15B02
+script: "./rebar3 update && ./rebar3 compile && ./rebar3 unit"
 branches:
         only:
                 - master
diff --git a/rebar3 b/rebar3
index 84d44f5..51e80c8 100755
Binary files a/rebar3 and b/rebar3 differ