diff --git a/config.nims b/config.nims
index 7c9db32..8f11296 100644
--- a/config.nims
+++ b/config.nims
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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.
+
 # begin Nimble config (version 1)
 when fileExists("nimble.paths"):
   include "nimble.paths"
diff --git a/confutils.nim b/confutils.nim
index 556ed78..2262f51 100644
--- a/confutils.nim
+++ b/confutils.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   os,
   std/[enumutils, options, strutils, wordwrap, strformat],
@@ -889,7 +898,7 @@ func constructEnvKey*(prefix: string, key: string): string {.raises: [].} =
 # See https://nim-lang.org/docs/os.html#commandLineParams
 when not declared(commandLineParams):
   proc commandLineParams(): seq[string] = discard
- 
+
 proc loadImpl[C, SecondarySources](
     Configuration: typedesc[C],
     cmdLine = commandLineParams(),
diff --git a/confutils.nimble b/confutils.nimble
index 580b5da..42bd49b 100644
--- a/confutils.nimble
+++ b/confutils.nimble
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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 os, strutils
 mode = ScriptMode.Verbose
 
diff --git a/confutils/cli_parser.nim b/confutils/cli_parser.nim
index 867ac20..d9ed5af 100644
--- a/confutils/cli_parser.nim
+++ b/confutils/cli_parser.nim
@@ -1,4 +1,12 @@
-# Copyright 2018-2022 Status Research & Development GmbH
+# confutils
+# Copyright (c) 2018-2024 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.
+
 # Parts taken from Nim's Runtime Library (c) Copyright 2015 Andreas Rumpf
 
 type
diff --git a/confutils/cli_parsing_fuzzer.nim b/confutils/cli_parsing_fuzzer.nim
index b90e4c6..48033af 100644
--- a/confutils/cli_parsing_fuzzer.nim
+++ b/confutils/cli_parsing_fuzzer.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   strutils,
   stew/byteutils, testutils/fuzzing,
diff --git a/confutils/config_file.nim b/confutils/config_file.nim
index 3f6ff39..e2c05e7 100644
--- a/confutils/config_file.nim
+++ b/confutils/config_file.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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/[tables, macrocache],
   stew/shims/macros
diff --git a/confutils/defs.nim b/confutils/defs.nim
index 94f76c7..19b50be 100644
--- a/confutils/defs.nim
+++ b/confutils/defs.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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/options
 
diff --git a/confutils/shell_completion.nim b/confutils/shell_completion.nim
index dc556b4..962d5b0 100644
--- a/confutils/shell_completion.nim
+++ b/confutils/shell_completion.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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.
+
 ## A simple lexer meant to tokenize an input string as a shell would do.
 import lexbase
 import options
diff --git a/confutils/std/net.nim b/confutils/std/net.nim
index bcea7f9..18033bc 100644
--- a/confutils/std/net.nim
+++ b/confutils/std/net.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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/net
 from std/parseutils import parseInt
 export net
diff --git a/confutils/toml/defs.nim b/confutils/toml/defs.nim
index c43854e..c1ea5b8 100644
--- a/confutils/toml/defs.nim
+++ b/confutils/toml/defs.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   toml_serialization, ../defs as confutilsDefs
 
diff --git a/confutils/toml/std/net.nim b/confutils/toml/std/net.nim
index 95bd414..5ee8dd0 100644
--- a/confutils/toml/std/net.nim
+++ b/confutils/toml/std/net.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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/net,
   toml_serialization, toml_serialization/lexer
diff --git a/confutils/toml/std/uri.nim b/confutils/toml/std/uri.nim
index 8040043..6f18f90 100644
--- a/confutils/toml/std/uri.nim
+++ b/confutils/toml/std/uri.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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/uri,
   toml_serialization, toml_serialization/lexer
diff --git a/confutils/winreg/reader.nim b/confutils/winreg/reader.nim
index fb9aea7..c421599 100644
--- a/confutils/winreg/reader.nim
+++ b/confutils/winreg/reader.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   tables, typetraits, options,
   serialization/[object_serialization],
diff --git a/confutils/winreg/types.nim b/confutils/winreg/types.nim
index 01c84e9..6e33d25 100644
--- a/confutils/winreg/types.nim
+++ b/confutils/winreg/types.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   serialization/errors
 
diff --git a/confutils/winreg/utils.nim b/confutils/winreg/utils.nim
index 4968539..43f855d 100644
--- a/confutils/winreg/utils.nim
+++ b/confutils/winreg/utils.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   strutils,
   ./types
diff --git a/confutils/winreg/winreg_serialization.nim b/confutils/winreg/winreg_serialization.nim
index 762692d..69a2588 100644
--- a/confutils/winreg/winreg_serialization.nim
+++ b/confutils/winreg/winreg_serialization.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   stew/shims/macros,
   serialization, ./reader, ./writer, ./utils, ./types
diff --git a/confutils/winreg/writer.nim b/confutils/winreg/writer.nim
index b21f833..c971430 100644
--- a/confutils/winreg/writer.nim
+++ b/confutils/winreg/writer.nim
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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
   typetraits, options, tables,
   serialization,
diff --git a/nim.cfg b/nim.cfg
index 371f6d7..3876094 100644
--- a/nim.cfg
+++ b/nim.cfg
@@ -1,3 +1,12 @@
+# confutils
+# Copyright (c) 2018-2024 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.
+
 # Avoid some rare stack corruption while using exceptions with a SEH-enabled
 # toolchain: https://github.com/status-im/nimbus-eth2/issues/3121
 @if windows and not vcc: