diff --git a/src/ecpool.appup.src b/src/ecpool.appup.src
index c5354a090..28c4fa5ae 100644
--- a/src/ecpool.appup.src
+++ b/src/ecpool.appup.src
@@ -1,4 +1,4 @@
-{"0.5.0",
+{<<"0\.5\..+">>,
   [
     {"0.4.2", [
       {load_module, ecpool_worker, brutal_purge, soft_purge, []},
diff --git a/src/ecpool.erl b/src/ecpool.erl
index a9749df66..5b85e26ec 100644
--- a/src/ecpool.erl
+++ b/src/ecpool.erl
@@ -84,12 +84,12 @@ add_reconnect_callback(Pool, Callback) ->
 %%   to avoid applying action failure with 'badfun'.
 %%
 %% @doc Call the fun with client/connection
--spec(with_client(atom(), fun((Client :: pid()) -> any())) -> no_return()).
+-spec(with_client(atom(), fun((Client :: pid()) -> any())) -> any()).
 with_client(Pool, Fun) when is_atom(Pool) ->
     with_worker(gproc_pool:pick_worker(name(Pool)), Fun, no_handover).
 
 %% @doc Call the fun with client/connection
--spec(with_client(atom(), any(), fun((Client :: pid()) -> term())) -> no_return()).
+-spec(with_client(atom(), any(), fun((Client :: pid()) -> term())) -> any()).
 with_client(Pool, Key, Fun) when is_atom(Pool) ->
     with_worker(gproc_pool:pick_worker(name(Pool), Key), Fun, no_handover).