diff --git a/lib/absinthe/blueprint/input/raw_value.ex b/lib/absinthe/blueprint/input/raw_value.ex
index 625163ff5c..1035038edb 100644
--- a/lib/absinthe/blueprint/input/raw_value.ex
+++ b/lib/absinthe/blueprint/input/raw_value.ex
@@ -5,4 +5,8 @@ defmodule Absinthe.Blueprint.Input.RawValue do
   defstruct [
     :content
   ]
+
+  @type t :: %__MODULE__{
+          content: any()
+        }
 end