diff --git a/rebar.config b/rebar.config
index 36af814..bd9686b 100644
--- a/rebar.config
+++ b/rebar.config
@@ -4,10 +4,10 @@
 {erl_opts, [debug]}.
 
 {app_bin, ["priv/elrca"]}.
-{require_otp_vsn, "R14B0[234]"}.
+{require_otp_vsn, "R14|R15"}.
 
 {deps, [
-    %% couchbeam client 
+    %% couchbeam client
     {couchbeam, ".*", {git, "http://github.com/benoitc/couchbeam.git","master"}}
 ]}.