diff --git a/README.md b/README.md
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@@ -275,3 +275,9 @@ Contributions are always welcome!
 
 ## Special Thanks
 * Jonas Bonér, CTO at Lightbend, for the [original inspiration](https://www.slideshare.net/jboner/scalability-availability-stability-patterns)
+
+# License
+
+[![CC-BY](https://mirrors.creativecommons.org/presskit/buttons/88x31/svg/by.svg)](https://creativecommons.org/licenses/by/4.0/)
+
+This work is licensed under a [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/).
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