diff --git a/open-sse/executors/perplexity-web.ts b/open-sse/executors/perplexity-web.ts
index 2103c6b82e..3695f734aa 100644
--- a/open-sse/executors/perplexity-web.ts
+++ b/open-sse/executors/perplexity-web.ts
@@ -9,7 +9,7 @@
 import { BaseExecutor, type ExecuteInput } from "./base.ts";
 
 const PPLX_SSE_ENDPOINT = "https://www.perplexity.ai/rest/sse/perplexity_ask";
-const PPLX_API_VERSION = "2.18";
+const PPLX_API_VERSION = "client-1.11.0";
 const PPLX_USER_AGENT =
   "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36";