diff --git a/priv/emqx.schema b/priv/emqx.schema
index 602de56b9..b4f008a6c 100644
--- a/priv/emqx.schema
+++ b/priv/emqx.schema
@@ -362,11 +362,35 @@ end}.
 ]}.
 
 %% RPC server port.
+{mapping, "rpc.driver", "gen_rpc.driver",
+[ {default, tcp}
+, {datatype, {enum, [tcp, ssl]}}
+]}.
+
 {mapping, "rpc.tcp_server_port", "gen_rpc.tcp_server_port", [
   {default, 5369},
   {datatype, integer}
 ]}.
 
+%% RPC SSL server port.
+{mapping, "rpc.enable_ssl", "gen_rpc.ssl_server_port", [
+  {default, 5369},
+  {datatype, integer}
+]}.
+
+%% RPC SSL certificates
+{mapping, "rpc.certfile", "gen_rpc.certfile", [
+  {datatype, string}
+]}.
+
+{mapping, "rpc.keyfile", "gen_rpc.keyfile", [
+  {datatype, string}
+]}.
+
+{mapping, "rpc.cacertfile", "gen_rpc.cacertfile", [
+  {datatype, string}
+]}.
+
 %% Number of tcp connections when connecting to RPC server
 {mapping, "rpc.tcp_client_num", "gen_rpc.tcp_client_num", [
   {default, 0},
diff --git a/rebar.config b/rebar.config
index cc147dec3..52f07a12a 100644
--- a/rebar.config
+++ b/rebar.config
@@ -44,7 +44,7 @@
     , {cowboy, {git, "https://github.com/emqx/cowboy", {tag, "2.8.2"}}}
     , {esockd, {git, "https://github.com/emqx/esockd", {tag, "5.8.0"}}}
     , {ekka, {git, "https://github.com/emqx/ekka", {tag, "0.8.2"}}}
-    , {gen_rpc, {git, "https://github.com/emqx/gen_rpc", {tag, "2.6.0"}}}
+    , {gen_rpc, {git, "https://github.com/emqx/gen_rpc", {tag, "2.7.0"}}}
     , {cuttlefish, {git, "https://github.com/emqx/cuttlefish", {tag, "v3.3.6"}}}
     , {minirest, {git, "https://github.com/emqx/minirest", {tag, "0.3.7"}}}
     , {ecpool, {git, "https://github.com/emqx/ecpool", {tag, "0.5.1"}}}