diff --git a/apps/emqx_bridge/src/emqx_bridge.app.src b/apps/emqx_bridge/src/emqx_bridge.app.src
index 3793dc6d2..ac1a3443f 100644
--- a/apps/emqx_bridge/src/emqx_bridge.app.src
+++ b/apps/emqx_bridge/src/emqx_bridge.app.src
@@ -1,7 +1,7 @@
 %% -*- mode: erlang -*-
 {application, emqx_bridge, [
     {description, "EMQX bridges"},
-    {vsn, "0.1.21"},
+    {vsn, "0.1.22"},
     {registered, [emqx_bridge_sup]},
     {mod, {emqx_bridge_app, []}},
     {applications, [
diff --git a/apps/emqx_bridge_gcp_pubsub/src/emqx_bridge_gcp_pubsub.app.src b/apps/emqx_bridge_gcp_pubsub/src/emqx_bridge_gcp_pubsub.app.src
index f7401d423..85bbfdd8c 100644
--- a/apps/emqx_bridge_gcp_pubsub/src/emqx_bridge_gcp_pubsub.app.src
+++ b/apps/emqx_bridge_gcp_pubsub/src/emqx_bridge_gcp_pubsub.app.src
@@ -1,6 +1,6 @@
 {application, emqx_bridge_gcp_pubsub, [
     {description, "EMQX Enterprise GCP Pub/Sub Bridge"},
-    {vsn, "0.1.2"},
+    {vsn, "0.1.3"},
     {registered, []},
     {applications, [
         kernel,
diff --git a/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl b/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl
index 2e32f630a..849ed5325 100644
--- a/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl
+++ b/apps/emqx_bridge_gcp_pubsub/test/emqx_bridge_gcp_pubsub_consumer_SUITE.erl
@@ -581,15 +581,16 @@ t_consume_ok(Config) ->
                 ?assertEqual(3, emqx_resource_metrics:received_get(ResourceId))
             ),
 
-            %% Check that the bridge probe API doesn't leak atoms.
-            ProbeRes0 = probe_bridge_api(Config),
-            ?assertMatch({ok, {{_, 204, _}, _Headers, _Body}}, ProbeRes0),
-            AtomsBefore = erlang:system_info(atom_count),
-            %% Probe again; shouldn't have created more atoms.
-            ProbeRes1 = probe_bridge_api(Config),
-            ?assertMatch({ok, {{_, 204, _}, _Headers, _Body}}, ProbeRes1),
-            AtomsAfter = erlang:system_info(atom_count),
-            ?assertEqual(AtomsBefore, AtomsAfter),
+            %% FIXME: uncomment after API spec is un-hidden...
+            %% %% Check that the bridge probe API doesn't leak atoms.
+            %% ProbeRes0 = probe_bridge_api(Config),
+            %% ?assertMatch({ok, {{_, 204, _}, _Headers, _Body}}, ProbeRes0),
+            %% AtomsBefore = erlang:system_info(atom_count),
+            %% %% Probe again; shouldn't have created more atoms.
+            %% ProbeRes1 = probe_bridge_api(Config),
+            %% ?assertMatch({ok, {{_, 204, _}, _Headers, _Body}}, ProbeRes1),
+            %% AtomsAfter = erlang:system_info(atom_count),
+            %% ?assertEqual(AtomsBefore, AtomsAfter),
 
             assert_non_received_metrics(BridgeName),
 
diff --git a/apps/emqx_conf/src/emqx_conf.app.src b/apps/emqx_conf/src/emqx_conf.app.src
index 8945ba3eb..d8ee672f3 100644
--- a/apps/emqx_conf/src/emqx_conf.app.src
+++ b/apps/emqx_conf/src/emqx_conf.app.src
@@ -1,6 +1,6 @@
 {application, emqx_conf, [
     {description, "EMQX configuration management"},
-    {vsn, "0.1.22"},
+    {vsn, "0.1.23"},
     {registered, []},
     {mod, {emqx_conf_app, []}},
     {applications, [kernel, stdlib, emqx_ctl]},
diff --git a/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.app.src b/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.app.src
index 4b6acf915..e03cc9423 100644
--- a/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.app.src
+++ b/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.app.src
@@ -1,6 +1,6 @@
 {application, emqx_ee_bridge, [
     {description, "EMQX Enterprise data bridges"},
-    {vsn, "0.1.15"},
+    {vsn, "0.1.16"},
     {registered, []},
     {applications, [
         kernel,
diff --git a/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.erl b/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.erl
index ab23cbc02..b418f9e15 100644
--- a/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.erl
+++ b/lib-ee/emqx_ee_bridge/src/emqx_ee_bridge.erl
@@ -3,6 +3,7 @@
 %%--------------------------------------------------------------------
 -module(emqx_ee_bridge).
 
+-include_lib("hocon/include/hoconsc.hrl").
 -import(hoconsc, [mk/2, enum/1, ref/2]).
 
 -export([
@@ -17,7 +18,8 @@ api_schemas(Method) ->
         %% We need to map the `type' field of a request (binary) to a
         %% bridge schema module.
         api_ref(emqx_bridge_gcp_pubsub, <<"gcp_pubsub">>, Method ++ "_producer"),
-        api_ref(emqx_bridge_gcp_pubsub, <<"gcp_pubsub_consumer">>, Method ++ "_consumer"),
+        %% TODO: un-hide for e5.2.0...
+        %% api_ref(emqx_bridge_gcp_pubsub, <<"gcp_pubsub_consumer">>, Method ++ "_consumer"),
         api_ref(emqx_bridge_kafka, <<"kafka_consumer">>, Method ++ "_consumer"),
         %% TODO: rename this to `kafka_producer' after alias support is added
         %% to hocon; keeping this as just `kafka' for backwards compatibility.
@@ -259,6 +261,7 @@ gcp_pubsub_structs() ->
                 hoconsc:map(name, ref(emqx_bridge_gcp_pubsub, "config_consumer")),
                 #{
                     desc => <<"EMQX Enterprise Config">>,
+                    importance => ?IMPORTANCE_HIDDEN,
                     required => false
                 }
             )}