diff --git a/costa.py b/costa.py
index 32c9b57..997b56a 100644
--- a/costa.py
+++ b/costa.py
@@ -1,3 +1,10 @@
+# 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/.
+
 import  sys
 from    bottle      import Bottle, run
 
diff --git a/handler.py b/handler.py
index 6a77593..3bd23cf 100644
--- a/handler.py
+++ b/handler.py
@@ -1,3 +1,10 @@
+# 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/.
+
 from    bottle                  import Bottle, route
 from    config                  import directory