diff --git a/package.json b/package.json
index 930224e0..7d402617 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@safe-global/safe-gateway-typescript-sdk",
-  "version": "3.14.0",
+  "version": "3.15.0",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [
diff --git a/src/types/chains.ts b/src/types/chains.ts
index 6490606f..1955f876 100644
--- a/src/types/chains.ts
+++ b/src/types/chains.ts
@@ -78,6 +78,7 @@ export type ChainInfo = {
   chainName: string
   shortName: string
   l2: boolean
+  isTestnet: boolean
   description: string
   rpcUri: RpcUri
   safeAppsRpcUri: RpcUri