diff --git a/.tool-versions b/.tool-versions
index fa6f17c..dcd90f4 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1,2 @@
-elixir 1.11.3
+elixir 1.14.3-otp-25
+erlang 25.2.2
\ No newline at end of file
diff --git a/lib/connection_pool.ex b/lib/connection_pool.ex
index 8f5c00b..99479e4 100644
--- a/lib/connection_pool.ex
+++ b/lib/connection_pool.ex
@@ -11,6 +11,8 @@ defmodule Kadabra.ConnectionPool do
           events: [any, ...]
         }
 
+  require Logger
+
   alias Kadabra.Connection
 
   @spec start_link(URI.t(), pid, Keyword.t()) :: {:ok, pid}
@@ -98,6 +100,18 @@ defmodule Kadabra.ConnectionPool do
     {:stop, :shutdown, state}
   end
 
+  def handle_info({:EXIT, _pid, {:ssl_error, _}}, state) do
+    Logger.warning(
+      'TLS client: In state connection received SERVER ALERT: Fatal - Certificate Expired'
+    )
+
+    {:noreply, state}
+  end
+
+  def handle_info(_, state) do
+    {:noreply, state}
+  end
+
   def terminate(_reason, _state) do
     :ok
   end
diff --git a/lib/frame/continuation.ex b/lib/frame/continuation.ex
index f6e2195..d25def8 100644
--- a/lib/frame/continuation.ex
+++ b/lib/frame/continuation.ex
@@ -3,7 +3,7 @@ defmodule Kadabra.Frame.Continuation do
 
   defstruct [:header_block_fragment, :stream_id, end_headers: false]
 
-  use Bitwise
+  import Bitwise
 
   @type t :: %__MODULE__{
           end_headers: boolean,
diff --git a/lib/frame/data.ex b/lib/frame/data.ex
index fc6d127..2608be0 100644
--- a/lib/frame/data.ex
+++ b/lib/frame/data.ex
@@ -3,7 +3,7 @@ defmodule Kadabra.Frame.Data do
 
   defstruct [:stream_id, :data, end_stream: false]
 
-  use Bitwise
+  import Bitwise
 
   alias Kadabra.Frame
 
diff --git a/lib/frame/headers.ex b/lib/frame/headers.ex
index 94b07e7..7c7310c 100644
--- a/lib/frame/headers.ex
+++ b/lib/frame/headers.ex
@@ -21,7 +21,7 @@ defmodule Kadabra.Frame.Headers do
           weight: non_neg_integer
         }
 
-  use Bitwise
+  import Bitwise
 
   alias Kadabra.Frame
 
diff --git a/lib/frame/ping.ex b/lib/frame/ping.ex
index 95f29f2..80cfd0f 100644
--- a/lib/frame/ping.ex
+++ b/lib/frame/ping.ex
@@ -3,7 +3,7 @@ defmodule Kadabra.Frame.Ping do
 
   defstruct [:data, stream_id: 0, ack: false]
 
-  use Bitwise
+  import Bitwise
 
   alias Kadabra.Frame
 
diff --git a/lib/frame/push_promise.ex b/lib/frame/push_promise.ex
index 581aa6d..461a3a2 100644
--- a/lib/frame/push_promise.ex
+++ b/lib/frame/push_promise.ex
@@ -5,7 +5,7 @@ defmodule Kadabra.Frame.PushPromise do
             header_block_fragment: nil,
             stream_id: nil
 
-  use Bitwise
+  import Bitwise
 
   alias Kadabra.Frame
 
diff --git a/lib/frame/settings.ex b/lib/frame/settings.ex
index ec09b29..b36e553 100644
--- a/lib/frame/settings.ex
+++ b/lib/frame/settings.ex
@@ -3,7 +3,7 @@ defmodule Kadabra.Frame.Settings do
 
   defstruct [:settings, ack: false]
 
-  use Bitwise
+  import Bitwise
 
   alias Kadabra.Connection