diff --git a/data/ecosystems/p/polkadot.toml b/data/ecosystems/p/polkadot.toml
index 056aa1ae..793933b1 100644
--- a/data/ecosystems/p/polkadot.toml
+++ b/data/ecosystems/p/polkadot.toml
@@ -1638,6 +1638,12 @@ url = "https://github.com/w3f/ring-vrf"
 [[repo]]
 url = "https://github.com/w3f/ripp"
 
+[[repo]]
+url = "https://github.com/w3f/rwc2021-real-world-decentralised-cryptography-workshop"
+
+[[repo]]
+url = "https://github.com/w3f/rwc2021-real-world-decentralized-cryptography-workshop"
+
 [[repo]]
 url = "https://github.com/w3f/schnorr-dalek"