diff --git a/cumulus/parachains/chain-specs/coretime-westend.json b/cumulus/parachains/chain-specs/coretime-westend.json
index ab2e97fdbf41d43dfc4d75e30358cdaefd21a630..74edd5b2cd96e4b3efccc530fb24a371fe519e3e 100644
--- a/cumulus/parachains/chain-specs/coretime-westend.json
+++ b/cumulus/parachains/chain-specs/coretime-westend.json
@@ -5,6 +5,8 @@
   "bootNodes": [
     "/dns/westend-coretime-collator-node-0.parity-testnet.parity.io/tcp/30333/p2p/12D3KooWP93Dzk8T7GWxyWw9jhLcz8Pksokk3R9vL2eEH337bNkT",
     "/dns/westend-coretime-collator-node-1.parity-testnet.parity.io/tcp/30333/p2p/12D3KooWMh2imeAzsZKGQgm2cv6Uoep3GBYtwGfujt1bs5YfVzkH",
+    "/dns/coretime-westend-bootnode.radiumblock.com/tcp/30333/p2p/12D3KooWK7Zj1mCPg6h3eMp7v6akJ1o6AocRr59NLusDwBXQgrhw",
+    "/dns/coretime-westend-bootnode.radiumblock.com/tcp/30336/wss/p2p/12D3KooWK7Zj1mCPg6h3eMp7v6akJ1o6AocRr59NLusDwBXQgrhw",
     "/dns/westend-coretime-collator-node-0.parity-testnet.parity.io/tcp/30335/ws/p2p/12D3KooWP93Dzk8T7GWxyWw9jhLcz8Pksokk3R9vL2eEH337bNkT",
     "/dns/westend-coretime-collator-node-1.parity-testnet.parity.io/tcp/30335/ws/p2p/12D3KooWMh2imeAzsZKGQgm2cv6Uoep3GBYtwGfujt1bs5YfVzkH",
     "/dns/westend-coretime-collator-node-0.parity-testnet.parity.io/tcp/443/wss/p2p/12D3KooWP93Dzk8T7GWxyWw9jhLcz8Pksokk3R9vL2eEH337bNkT",