diff --git a/data/ecosystems/h/hedera-hashgraph.toml b/data/ecosystems/h/hedera-hashgraph.toml
index a82c294a..9d9e0733 100644
--- a/data/ecosystems/h/hedera-hashgraph.toml
+++ b/data/ecosystems/h/hedera-hashgraph.toml
@@ -24,6 +24,9 @@ url = "https://github.com/hashgraph/hedera-browser-extension"
 [[repo]]
 url = "https://github.com/hashgraph/hedera-cli"
 
+[[repo]]
+url = "https://github.com/hashgraph/hedera-improvement-proposal"
+
 [[repo]]
 url = "https://github.com/hashgraph/hedera-keygen-java"