diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
new file mode 100755
index 0000000..9f78b15
--- /dev/null
+++ b/CONTRIBUTORS.md
@@ -0,0 +1,22 @@
+#### Contribution licensing ...
+
+Unless you explicitly state otherwise, any contribution intentionally
+submitted for inclusion in the Alert project shall be under the terms and
+conditions of the MIT License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the
+terms of any separate license agreement you may have executed with the
+Alert project (or its licensor Daniel Lowrey) regarding such contributions.
+
+#### Before you PR ...
+
+Alert strives to retain minimum compatibility with PHP 5.4. All source code
+contributions must execute successfully in this environment.
+
+If you're submitting non-trivial changes to the source code of the project
+please add your name to this file as a CONTRIBUTOR. Changes to support
+files or minor changes (e.g. whitespace fixes) -- though appreciated --
+do not merit addition as a contributor. Thank you in advance!
+
+#### Contributors
+
+- Daniel Lowrey
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
old mode 100644
new mode 100755
index 9af84dd..eee7997
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,8 @@
 The MIT License (MIT)
 
-Copyright (c) 2013 Daniel Lowrey
+Copyright (c) 2013-2014 Daniel Lowrey.
+
+Contributions are licensed subject to the rules in CONTRIBUTORS.md.
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),