diff --git a/data/ecosystems/c/cartesi.toml b/data/ecosystems/c/cartesi.toml
index 0821bfe6..283b0331 100644
--- a/data/ecosystems/c/cartesi.toml
+++ b/data/ecosystems/c/cartesi.toml
@@ -48,6 +48,9 @@ url = "https://github.com/cartesi/dispatcher"
 [[repo]]
 url = "https://github.com/cartesi/docs"
 
+[[repo]]
+url = "https://github.com/cartesi/ethsigner"
+
 [[repo]]
 url = "https://github.com/cartesi/grpc-interfaces"