diff --git a/lib/logger/lib/logger.ex b/lib/logger/lib/logger.ex
index da8fefa05e0..a9141b2e9aa 100644
--- a/lib/logger/lib/logger.ex
+++ b/lib/logger/lib/logger.ex
@@ -604,7 +604,7 @@ defmodule Logger do
 
   The `Logger` level can be changed via `configure/1`.
   """
-  @spec level() :: level()
+  @spec level() :: level() | :all | :none
   def level() do
     %{level: level} = :logger.get_primary_config()