diff --git a/scripts/doc/copyright.py b/scripts/doc/copyright.py
new file mode 100644
index 000000000..678b38c25
--- /dev/null
+++ b/scripts/doc/copyright.py
@@ -0,0 +1,51 @@
+import os
+
+path = "../../lib"
+
+ignore = [".g.dart", "LICENSE", "external_api_keys.dart"]
+
+# To update the header, only change the variable below
+
+header = """
+/* 
+ * This file is part of Stack Wallet.
+ * 
+ * Copyright (c) 2023 Cypher Stack
+ * All Rights Reserved.
+ * The code is distributed under GPLv3 license, see LICENSE file for details.
+ * Generated by Cypher Stack on 2023-05-26
+ *
+ */
+"""
+
+def add_text_to_files(folder_path, text, ignored_extensions=[]):
+    should_ignore = False
+    for root, dirs, files in os.walk(folder_path):
+        for filename in files:
+            file_path = os.path.join(root, filename)
+            should_ignore = False
+            for ignored_extension in ignored_extensions:
+                if file_path.endswith(ignored_extension):
+                    should_ignore = True
+                    break
+            if not should_ignore:
+                with open(file_path, 'r') as file:
+                    lines = file.readlines()
+                    if len(lines) >= 4:
+                        second_line = lines[1]
+                        third_line = lines[2]
+                        fourth_line = lines[3]
+                        if second_line.startswith("/*") and third_line.startswith(" *") and fourth_line.startswith(" *"):
+                            with open(file_path, 'w') as file:
+                                file.seek(0, 0)
+                                file.write(text + ''.join(lines[10:]))
+                        else:
+                            with open(file_path, 'w') as file:
+                                file.seek(0, 0)
+                                file.write(text + '\n' + ''.join(lines))
+                    else:
+                        with open(file_path, 'w') as file:
+                            file.seek(0, 0)  # Move the file cursor to the start
+                            file.write(text + '\n' + ''.join(lines))
+
+add_text_to_files(path, header, ignore)
\ No newline at end of file