diff --git a/src/main/java/dev/salmonllama/fsbot/Main.java b/src/main/java/dev/salmonllama/fsbot/Main.java
index 6a97a75..c92d52c 100644
--- a/src/main/java/dev/salmonllama/fsbot/Main.java
+++ b/src/main/java/dev/salmonllama/fsbot/Main.java
@@ -1,6 +1,22 @@
 /*
- * Copyright (c) 2020. Aleksei Gryczewski
- * All rights reserved.
+ Copyright (c) 2021 Aleksei Gryczewski
+
+ 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.
  */
 
 package dev.salmonllama.fsbot;