diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..9371d09
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2018 Pierre Bourdon <delroth@gmail.com>
+Copyright (c) 2023 Ivan Bushchik <ivabus@ivabus.dev>
+
+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:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+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.
diff --git a/README.md b/README.md
index 6bccc71..402b363 100644
--- a/README.md
+++ b/README.md
@@ -57,3 +57,10 @@ curl https://iva.bz/nix | sh
 - Setup services (which I host)
 - Setup "secret" roles (I need them)
 - Setup router
+
+## Copyright
+
+This configuration is [MIT licensed](./LICENSE).
+
+I used [delroth/infra.delroth.net](https://github.com/delroth/infra.delroth.net) (MIT license) as a reference for my configuration.
+