Merge branch '0.3.0'
diff --git a/rebar.config b/rebar.config
index d71e7e6..928541f 100644
--- a/rebar.config
+++ b/rebar.config
@@ -7,10 +7,12 @@
 {extra_src_dirs, ["test"]}.
 {ct_opts, []}.
 
+{plugins, [rebar3_hex]}.
 
 {deps, [
     {erlzk, ".*", {git, "https://github.com/huaban/erlzk.git", {tag, "v0.6.2"}}},
     {ranch, ".*",  {git, "https://github.com/ninenines/ranch.git", {tag, "1.4.0"}}},
     {poolboy, ".*",  {git, "https://github.com/devinus/poolboy.git", {tag, "1.5.1"}}},
     {jiffy, "0.15.1"}
-]}.
\ No newline at end of file
+]}.
+