diff --git a/apps/emqx/rebar.config b/apps/emqx/rebar.config
index c94208594..31caa498d 100644
--- a/apps/emqx/rebar.config
+++ b/apps/emqx/rebar.config
@@ -17,7 +17,7 @@
     , {esockd, {git, "https://github.com/emqx/esockd", {tag, "5.9.0"}}}
     , {ekka, {git, "https://github.com/emqx/ekka", {tag, "0.11.1"}}}
     , {gen_rpc, {git, "https://github.com/emqx/gen_rpc", {tag, "2.5.1"}}}
-    , {hocon, {git, "https://github.com/emqx/hocon.git", {tag, "0.22.0"}}}
+    , {hocon, {git, "https://github.com/emqx/hocon.git", {tag, "0.22.1"}}}
     , {pbkdf2, {git, "https://github.com/emqx/erlang-pbkdf2.git", {tag, "2.0.4"}}}
     , {recon, {git, "https://github.com/ferd/recon", {tag, "2.5.1"}}}
     , {snabbkaffe, {git, "https://github.com/kafka4beam/snabbkaffe.git", {tag, "0.16.0"}}}
diff --git a/apps/emqx/src/emqx_config.erl b/apps/emqx/src/emqx_config.erl
index f3e6e1366..e0e6968f3 100644
--- a/apps/emqx/src/emqx_config.erl
+++ b/apps/emqx/src/emqx_config.erl
@@ -264,6 +264,7 @@ init_load(SchemaMod, Conf) when is_list(Conf) orelse is_binary(Conf) ->
         {error, Reason} ->
             ?SLOG(error, #{msg => failed_to_load_hocon_conf,
                            reason => Reason,
+                           pwd => file:get_cwd(),
                            include_dirs => IncDir
                           }),
             error(failed_to_load_hocon_conf)
diff --git a/rebar.config b/rebar.config
index 2bb8b2d8b..017a73095 100644
--- a/rebar.config
+++ b/rebar.config
@@ -65,7 +65,7 @@
     , {system_monitor, {git, "https://github.com/klarna-incubator/system_monitor", {tag, "2.2.0"}}}
     , {getopt, "1.0.2"}
     , {snabbkaffe, {git, "https://github.com/kafka4beam/snabbkaffe.git", {tag, "0.16.0"}}}
-    , {hocon, {git, "https://github.com/emqx/hocon.git", {tag, "0.22.0"}}}
+    , {hocon, {git, "https://github.com/emqx/hocon.git", {tag, "0.22.1"}}}
     , {emqx_http_lib, {git, "https://github.com/emqx/emqx_http_lib.git", {tag, "0.4.1"}}}
     , {esasl, {git, "https://github.com/emqx/esasl", {tag, "0.2.0"}}}
     , {jose, {git, "https://github.com/potatosalad/erlang-jose", {tag, "1.11.2"}}}