diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,25 @@
 # CostaPy
 Python Web Framework. Build with CherryPy and Mako.
 
+## License
+
+CostaPy
+
+Copyright (C) 2022  Dita Aji Pratama
+
+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.
+
+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.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.
+
 ## Requirement & Installation
 
 You need this libraries to use CostaPy: