1 files changed, 3 insertions, 0 deletions
diff --git a/license.md b/license.md
index 6b92ca4f..0a3920d1 100644
--- a/license.md
+++ b/license.md
@@ -11,6 +11,9 @@ http://www.gnu.org/licenses/gpl-2.0.html).
 **CC BY-SA 3.0**: Licensed under [Creative Commons Attribution-ShareAlike 3.0 Unported](
 http://creativecommons.org/licenses/by-sa/3.0/).
 
+**CC BY-SA 4.0**: Licensed under [Creative Commons Attribution-ShareAlike 4.0 International](
+http://creativecommons.org/licenses/by-sa/4.0/).
+
 **CC0**: Licensed under [CC0 1.0 Universal Public Domain Dedication](https://creativecommons.org/publicdomain/zero/1.0/).
 
 :grey_question:: Unknown contributors.