diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000000000000000000000000000000000000..b039d41502122a25d2c37074e3981be55450ce57
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,7 @@
+Copyright 2019 card10-firmware contributors
+
+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. 
diff --git a/README.md b/README.md
index f1e790c094f44a6eaa8a2081bfb8672a323d4781..1097e464c6a623825d2026bc03d1cc19da6a7c13 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,10 @@ Flasing with or without a debugger is described in detail in [How To Flash](http
 ## Debugger
 If you have a debugger, head over to our [Debugger](https://firmware.card10.badge.events.ccc.de/debugger.html) page to learn how to use it.
 
+# License
+
+Unless otherwise noted in a file, the contents of this repository are licensed under the MIT license. See [COPYING](COPYING) for more details.
+
 ---
 
 # Old README Contents: