diff --git a/codex/bittorrent/bencoding.nim b/codex/bittorrent/bencoding.nim
index 77954bed..1b5c457f 100644
--- a/codex/bittorrent/bencoding.nim
+++ b/codex/bittorrent/bencoding.nim
@@ -1,3 +1,12 @@
+## Nim-Codex
+## Copyright (c) 2025 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
 {.push raises: [].}
 
 import std/strformat
diff --git a/codex/bittorrent/manifest/decoding.nim b/codex/bittorrent/manifest/decoding.nim
index a0bec57b..91cbff5a 100644
--- a/codex/bittorrent/manifest/decoding.nim
+++ b/codex/bittorrent/manifest/decoding.nim
@@ -1,3 +1,12 @@
+## Nim-Codex
+## Copyright (c) 2021 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
 {.push raises: [].}
 
 import pkg/libp2p/cid
diff --git a/codex/bittorrent/manifest/encoding.nim b/codex/bittorrent/manifest/encoding.nim
index 60409d0f..96317d3e 100644
--- a/codex/bittorrent/manifest/encoding.nim
+++ b/codex/bittorrent/manifest/encoding.nim
@@ -1,3 +1,12 @@
+## Nim-Codex
+## Copyright (c) 2021 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
 {.push raises: [].}
 
 import pkg/libp2p/cid
diff --git a/codex/bittorrent/manifest/manifest.nim b/codex/bittorrent/manifest/manifest.nim
index aac180bd..68293803 100644
--- a/codex/bittorrent/manifest/manifest.nim
+++ b/codex/bittorrent/manifest/manifest.nim
@@ -1,3 +1,12 @@
+## Nim-Codex
+## Copyright (c) 2021 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
 {.push raises: [].}
 
 import pkg/libp2p
diff --git a/codex/bittorrent/piecevalidator.nim b/codex/bittorrent/piecevalidator.nim
index f7533a5b..3e9d3902 100644
--- a/codex/bittorrent/piecevalidator.nim
+++ b/codex/bittorrent/piecevalidator.nim
@@ -1,3 +1,12 @@
+## Nim-Codex
+## Copyright (c) 2021 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
 {.push raises: [].}
 
 import std/sequtils
diff --git a/tests/codex/bittorrent/testtorrentdownloader.nim b/tests/codex/bittorrent/testtorrentdownloader.nim
index 29a7ad26..a9bfb1b0 100644
--- a/tests/codex/bittorrent/testtorrentdownloader.nim
+++ b/tests/codex/bittorrent/testtorrentdownloader.nim
@@ -1,12 +1,3 @@
-## Nim-Codex
-## Copyright (c) 2025 Status Research & Development GmbH
-## Licensed under either of
-##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
-##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
-## at your option.
-## This file may not be copied, modified, or distributed except according to
-## those terms.
-
 import std/importutils # private access
 
 import pkg/libp2p/[cid, multicodec, multihash]