diff --git a/lib/livebook/teams/requests.ex b/lib/livebook/teams/requests.ex
index 90ebd60dc..73ab86f4a 100644
--- a/lib/livebook/teams/requests.ex
+++ b/lib/livebook/teams/requests.ex
@@ -267,6 +267,7 @@ defmodule Livebook.Teams.Requests do
   defp build_req() do
     Req.new(
       base_url: Livebook.Config.teams_url(),
+      inet6: true,
       headers: [{"x-lb-version", Livebook.Config.app_version()}]
     )
   end
diff --git a/lib/livebook/teams/web_socket.ex b/lib/livebook/teams/web_socket.ex
index 8ff93069c..8e13a3fe8 100644
--- a/lib/livebook/teams/web_socket.ex
+++ b/lib/livebook/teams/web_socket.ex
@@ -26,7 +26,7 @@ defmodule Livebook.Teams.WebSocket do
       if http_scheme == :https do
         [cacerts: :public_key.cacerts_get()]
       else
-        []
+        [inet6: true]
       end
 
     opts = [protocols: [:http1], transport_opts: transport_opts]