diff --git a/README.md b/README.md
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@@ -9,6 +9,9 @@
 ## WARNING
 py-libp2p is an experimental and work-in-progress repo under heavy development. We do not yet recommend using py-libp2p in production environments.
 
+## Sponsorship
+This project is graciously sponspored by the Ethereum Foundation through [Wave 5 of their Grants Program](https://blog.ethereum.org/2019/02/21/ethereum-foundation-grants-program-wave-5/).
+
 ## Maintainers
 The py-libp2p team consists of: