diff --git a/LICENSE b/LICENSE
index fd8ca74..a52574a 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,21 +1,12 @@
-MIT License
+GNU GENERAL PUBLIC LICENSE
+Version 3, 29 June 2007
 
-Copyright (c) 2026 CircuitForge LLC
+Copyright (C) 2026 CircuitForge LLC
 
-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:
+Everyone is permitted to copy and distribute verbatim copies of this license
+document, but changing it is not allowed.
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+                            PREAMBLE
 
-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.
+The GNU General Public License is a free, copyleft license for software and other
+kinds of works. For the full license text, see https://www.gnu.org/licenses/gpl-3.0.txt
diff --git a/README.md b/README.md
index 349f720..18a7c8e 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 **Scan disc rips. Map titles. Queue HEVC encodes. Notify Sonarr and Radarr when done.**
 
-[![License: MIT](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
+[![License: GPL-3.0](https://img.shields.io/badge/license-GPL--3.0-blue.svg)](LICENSE)
 [![Node.js](https://img.shields.io/badge/node-%3E%3D18-brightgreen.svg)](https://nodejs.org/)
 [![No npm deps](https://img.shields.io/badge/npm%20deps-none-lightgrey.svg)](#install)
 
@@ -129,4 +129,4 @@ Issues and PRs welcome. Please open an issue before starting a large change.
 
 ## License
 
-MIT — see [LICENSE](LICENSE).
+GPL-3.0 — see [LICENSE](LICENSE).
diff --git a/package.json b/package.json
index 569a9d2..5ba4809 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,6 @@
   "engines": {
     "node": ">=18"
   },
-  "license": "MIT",
+  "license": "GPL-3.0",
   "dependencies": {}
 }