diff --git a/rebar.config b/rebar.config
index 2b3406b51..b14e0688b 100644
--- a/rebar.config
+++ b/rebar.config
@@ -23,7 +23,7 @@
     "apps/emqttd"]}.
 
 {deps, [
-	{gproc, "0.3.*", {git, "git://github.com/uwiger/gproc.git", {branch, "master"}}},
+	{gproc, "0.4.*", {git, "git://github.com/uwiger/gproc.git", {branch, "master"}}},
 	{lager, ".*", {git, "git://github.com/basho/lager.git", {branch, "master"}}},
 	{esockd, "2.*", {git, "git://github.com/emqtt/esockd.git", {branch, "master"}}},
 	{mochiweb, ".*", {git, "git://github.com/slimpp/mochiweb.git", {branch, "master"}}}