diff --git a/LICENSE b/LICENSE
index 47d03403..f42e251c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,21 +1,20 @@
-MIT License
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
 
-Copyright (c) 2026 Psychotoxical
+ Copyright (C) 2026 Psychotoxical
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+ The full license text is available at:
+ https://www.gnu.org/licenses/gpl-3.0.txt
diff --git a/README.md b/README.md
index e1e8500a..67524c08 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
   
   <p>
     <a href="https://github.com/Psychotoxical/psysonic/releases/latest"><img alt="Latest Release" src="https://img.shields.io/github/v/release/Psychotoxical/psysonic?style=flat-square&color=8839ef"></a>
-    <a href="https://github.com/Psychotoxical/psysonic/blob/main/LICENSE"><img alt="License" src="https://img.shields.io/github/license/Psychotoxical/psysonic?style=flat-square&color=cba6f7"></a>
+    <a href="https://github.com/Psychotoxical/psysonic/blob/main/LICENSE"><img alt="License: GPL v3" src="https://img.shields.io/badge/License-GPLv3-cba6f7?style=flat-square"></a>
     <a href="https://tauri.app/"><img alt="Built with Tauri" src="https://img.shields.io/badge/Built%20with-Tauri-242938?style=flat-square&logo=tauri"></a>
   </p>
 </div>
@@ -94,4 +94,6 @@ Contributions are completely welcome! Whether it is translating the app into a n
 
 ## 📄 License
 
-Distributed under the MIT License. See `LICENSE` for more information.
+Distributed under the **GNU General Public License v3.0**. See `LICENSE` for more information.
+
+This means: you are free to use, study, and modify Psysonic. If you distribute a modified version, you must release it under the same GPL v3 license and keep the original copyright notice intact. You may **not** incorporate this code into proprietary software.