diff --git a/AK/Forward.h b/AK/Forward.h
index f109221344..a93d8f3db6 100644
--- a/AK/Forward.h
+++ b/AK/Forward.h
@@ -34,6 +34,7 @@ class IPv4Address;
 class JsonArray;
 class JsonObject;
 class JsonValue;
+class SharedBuffer;
 class String;
 class StringBuilder;
 class StringImpl;
@@ -104,6 +105,7 @@ using AK::NonnullRefPtr;
 using AK::Optional;
 using AK::OwnPtr;
 using AK::RefPtr;
+using AK::SharedBuffer;
 using AK::SinglyLinkedList;
 using AK::String;
 using AK::StringBuilder;