diff --git a/zrml/swaps/fuzz/pool_join.rs b/zrml/swaps/fuzz/pool_join.rs
index 27023affa..e3153bf58 100644
--- a/zrml/swaps/fuzz/pool_join.rs
+++ b/zrml/swaps/fuzz/pool_join.rs
@@ -1,3 +1,4 @@
+// Copyright 2024 Forecasting Technologies LTD.
 // Copyright 2021-2022 Zeitgeist PM LLC.
 //
 // This file is part of Zeitgeist.
diff --git a/zrml/swaps/fuzz/pool_join_with_exact_asset_amount.rs b/zrml/swaps/fuzz/pool_join_with_exact_asset_amount.rs
index 677b5a5a6..a95d8c6db 100644
--- a/zrml/swaps/fuzz/pool_join_with_exact_asset_amount.rs
+++ b/zrml/swaps/fuzz/pool_join_with_exact_asset_amount.rs
@@ -1,3 +1,4 @@
+// Copyright 2024 Forecasting Technologies LTD.
 // Copyright 2021-2022 Zeitgeist PM LLC.
 //
 // This file is part of Zeitgeist.
diff --git a/zrml/swaps/fuzz/pool_join_with_exact_pool_amount.rs b/zrml/swaps/fuzz/pool_join_with_exact_pool_amount.rs
index a1574b749..a06915703 100644
--- a/zrml/swaps/fuzz/pool_join_with_exact_pool_amount.rs
+++ b/zrml/swaps/fuzz/pool_join_with_exact_pool_amount.rs
@@ -1,3 +1,4 @@
+// Copyright 2024 Forecasting Technologies LTD.
 // Copyright 2021-2022 Zeitgeist PM LLC.
 //
 // This file is part of Zeitgeist.
diff --git a/zrml/swaps/fuzz/swap_exact_amount_in.rs b/zrml/swaps/fuzz/swap_exact_amount_in.rs
index 60a594cc4..1771c7b14 100644
--- a/zrml/swaps/fuzz/swap_exact_amount_in.rs
+++ b/zrml/swaps/fuzz/swap_exact_amount_in.rs
@@ -1,3 +1,4 @@
+// Copyright 2024 Forecasting Technologies LTD.
 // Copyright 2021-2022 Zeitgeist PM LLC.
 //
 // This file is part of Zeitgeist.
diff --git a/zrml/swaps/fuzz/swap_exact_amount_out.rs b/zrml/swaps/fuzz/swap_exact_amount_out.rs
index 05ca45474..b254fe8e7 100644
--- a/zrml/swaps/fuzz/swap_exact_amount_out.rs
+++ b/zrml/swaps/fuzz/swap_exact_amount_out.rs
@@ -1,3 +1,4 @@
+// Copyright 2024 Forecasting Technologies LTD.
 // Copyright 2021-2022 Zeitgeist PM LLC.
 //
 // This file is part of Zeitgeist.