diff --git a/.gitignore b/.gitignore
index c1adf2e..2d99a4a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,8 @@
 !*/
 !bin/*
 !Makefile
+!LICENSE
+!COPYING
 
 **/*.exe
 **/*.html
diff --git a/third-party/tomlc99/LICENSE b/third-party/tomlc99/LICENSE
new file mode 100644
index 0000000..bb09e49
--- /dev/null
+++ b/third-party/tomlc99/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) CK Tan
+https://github.com/cktan/tomlc99
+
+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.