diff --git a/apps/emqx_exhook/.gitignore b/apps/emqx_exhook/.gitignore
index da1f0db23..c2e3ce6ab 100644
--- a/apps/emqx_exhook/.gitignore
+++ b/apps/emqx_exhook/.gitignore
@@ -24,6 +24,4 @@ data/
 .DS_Store
 *.class
 Mnesia.nonode@nohost/
-src/emqx_exhook_pb.erl
-src/emqx_exhook_v_1_hook_provider_client.erl
-src/emqx_exhook_v_1_hook_provider_bhvr.erl
+src/pb/*
diff --git a/apps/emqx_exhook/rebar.config b/apps/emqx_exhook/rebar.config
index cc9a680c3..235d4be1b 100644
--- a/apps/emqx_exhook/rebar.config
+++ b/apps/emqx_exhook/rebar.config
@@ -13,10 +13,11 @@
     {protos, ["priv/protos"]},
     {gpb_opts, [
         {module_name_prefix, "emqx_"},
-        {module_name_suffix, "_pb"}
-    ]}
+        {module_name_suffix, "_pb"},
+        {o, "src/pb"}
+    ]},
+    {out_dir, "src/pb"}
 ]}.
-
 {provider_hooks, [
     {pre, [
         {compile, {grpc, gen}},
@@ -50,8 +51,8 @@
 {cover_export_enabled, true}.
 {cover_excl_mods, [
     emqx_exhook_pb,
-    emqx_exhook_v_1_hook_provider_bhvr,
-    emqx_exhook_v_1_hook_provider_client
+    emqx_exhook_v_2_hook_provider_bhvr,
+    emqx_exhook_v_2_hook_provider_client
 ]}.
 
 {project_plugins, [erlfmt]}.