diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,2 +1,10 @@
 # Artwork for the extendr project
 
+## Licensing terms for logos
+
+The extendr logo and hexlogo are distributed under the terms of the [Creative Commons Attribution-ShareAlike 4.0 International license](https://creativecommons.org/licenses/by-sa/4.0/) (CC-BY-SA 4.0).
+
+## Attribution
+
+* [The R logo](https://www.r-project.org/logo/) by The R Foundation is licensed under [CC-BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/).
+* [The Rust logo](/~https://github.com/rust-lang/rust-artwork) by Mozilla is licensed munder [CC-BY 4.0](https://creativecommons.org/licenses/by/4.0/).