diff --git a/data/ecosystems/c/cardano.toml b/data/ecosystems/c/cardano.toml
index 38185179..55f25012 100644
--- a/data/ecosystems/c/cardano.toml
+++ b/data/ecosystems/c/cardano.toml
@@ -132,6 +132,9 @@ url = "https://github.com/input-output-hk/cardano-explorer"
 [[repo]]
 url = "https://github.com/input-output-hk/cardano-explorer-app"
 
+[[repo]]
+url = "https://github.com/input-output-hk/cardano-faucet"
+
 [[repo]]
 url = "https://github.com/input-output-hk/cardano-graphql"
 
@@ -193,6 +196,9 @@ url = "https://github.com/input-output-hk/cardano-sl-style-guides"
 [[repo]]
 url = "https://github.com/input-output-hk/cardano-sl-x509"
 
+[[repo]]
+url = "https://github.com/input-output-hk/cardano-transactions"
+
 [[repo]]
 url = "https://github.com/input-output-hk/cardano-tutorials"
 
@@ -208,9 +214,15 @@ url = "https://github.com/input-output-hk/cardano-wallet-legacy"
 [[repo]]
 url = "https://github.com/input-output-hk/cardanodocs-com"
 
+[[repo]]
+url = "https://github.com/input-output-hk/cardanodocs-com-archived"
+
 [[repo]]
 url = "https://github.com/input-output-hk/cardanodocs.com"
 
+[[repo]]
+url = "https://github.com/input-output-hk/cardanodocs.com-archived"
+
 [[repo]]
 url = "https://github.com/input-output-hk/carnix"
 
@@ -295,6 +307,9 @@ url = "https://github.com/input-output-hk/ethereum-explorer"
 [[repo]]
 url = "https://github.com/input-output-hk/evm-semantics-docker"
 
+[[repo]]
+url = "https://github.com/input-output-hk/external_audits"
+
 [[repo]]
 url = "https://github.com/input-output-hk/fenrir"
 
@@ -502,6 +517,9 @@ url = "https://github.com/input-output-hk/network-transport"
 [[repo]]
 url = "https://github.com/input-output-hk/network-transport-tcp"
 
+[[repo]]
+url = "https://github.com/input-output-hk/nidhoggr"
+
 [[repo]]
 url = "https://github.com/input-output-hk/niv"
 
@@ -757,6 +775,9 @@ url = "https://github.com/input-output-hk/snack"
 [[repo]]
 url = "https://github.com/input-output-hk/solidity-service"
 
+[[repo]]
+url = "https://github.com/input-output-hk/sonic"
+
 [[repo]]
 url = "https://github.com/input-output-hk/stack-hpc-coveralls"
 
@@ -820,6 +841,9 @@ url = "https://github.com/input-output-hk/web3-iele"
 [[repo]]
 url = "https://github.com/input-output-hk/win32"
 
+[[repo]]
+url = "https://github.com/input-output-hk/windows-testing"
+
 [[repo]]
 url = "https://github.com/input-output-hk/yarn2nix"