diff --git a/rebar.config b/rebar.config
index df3f96a..eff3968 100644
--- a/rebar.config
+++ b/rebar.config
@@ -1,7 +1,6 @@
 {erl_opts, [debug_info]}.
 
-{deps,
- [{gen_batch_server, "0.8.6"}, {bert, "0.1.0"}, {gun, "2.0.0-rc.1"}, {jsone, "1.6.1"}]}.
+{deps, [{gen_batch_server, "0.8.6"}, {bert, "0.1.0"}, {gun, "1.3.3"}, {jsone, "1.6.1"}]}.
 
 {plugins, [rebar3_hex, rebar3_format]}.