diff --git a/src/setup.c b/src/setup.c
index 7392f9f..6a8aac7 100644
--- a/src/setup.c
+++ b/src/setup.c
@@ -1,3 +1,20 @@
+/*
+   swebs - a simple web server
+   Copyright (C) 2022  Nate Choe
+   
+   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/>.
+*/
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdlib.h>
diff --git a/src/swebs/setup.h b/src/swebs/setup.h
index 626fe17..42d098d 100644
--- a/src/swebs/setup.h
+++ b/src/swebs/setup.h
@@ -1,3 +1,20 @@
+/*
+   swebs - a simple web server
+   Copyright (C) 2022  Nate Choe
+   
+   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/>.
+*/
 #ifndef HAVE_SETUP
 #define HAVE_SETUP