diff --git a/.gitignore b/.gitignore
index 39754264..f692c6fb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,10 @@ src/protobuffs_parser.erl
 src/protobuffs_scanner.erl
 erl_crash.dump
 test/Emakefile
+_build/
+TEST-protobuffs_proper.xml
+TEST-erlang_protobuffs_SUITE.xml
+TEST-file_protobuffs.app.xml
 
 # ignore output of 'rebar escriptize'
 protobuffs
diff --git a/.travis.yml b/.travis.yml
index 0c117cb1..6f3af91d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,9 @@
 language: erlang
-script: make all test
-notifications:
-  webhooks: http://basho-engbot.herokuapp.com/travis?key=622369a511690ee1a7fe54c44eebb57dc8e24b5f
-  email: eng@basho.com
 otp_release:
-  - 18.3
-  - 17.5
-  - R16B03
-  - R15B03
+  - 20.3.8
+script:
+  - chmod u+x rebar3
+  - ./rebar3 do upgrade, compile, dialyzer, eunit
+notifications:
+  slack:
+    secure: SE0EMU9HenZlLBuNg7l6WLMxJPkfyAEGgodvAqMEuQmICtrh1nV019D/A8ykejYYPPsJafWVOfypOSDrSHCndzXvEZvU8l45nJ6XLdUdrDYEmvcSqN3EqmVSsuf9H3g99bvKygXaY27MkTS5ixLil7PzybG+YpwMnQGcQxYo5Eg=
diff --git a/rebar b/rebar
deleted file mode 100755
index 13bcbf9a..00000000
Binary files a/rebar and /dev/null differ
diff --git a/rebar.config b/rebar.config
index 657c114c..7a9c5835 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,7 +1,7 @@
-{erl_opts, [debug_info]}.
+{erl_opts, [debug_info, nowarn_export_all]}.
 
 {deps,[
-       {meck, "0.8.*", {git, "https://github.com/basho/meck.git", {tag, "0.8.2"}}}
+       {meck, "0.8.*", {git, "https://github.com/eproxus/meck.git", {tag, "0.8.13"}}}
       ]}.
 
 {clean_files, ["*~","**/*~","**/*.beam","logs/*","test/Emakefile"]}.
diff --git a/rebar.lock b/rebar.lock
new file mode 100644
index 00000000..ba64f750
--- /dev/null
+++ b/rebar.lock
@@ -0,0 +1,4 @@
+[{<<"meck">>,
+  {git,"https://github.com/eproxus/meck.git",
+       {ref,"4ecc1ae9089edc6977e8c8c4cd41081513cc5590"}},
+  0}].
diff --git a/rebar3 b/rebar3
new file mode 100755
index 00000000..00494f92
Binary files /dev/null and b/rebar3 differ