diff --git a/price_service/client/js/README.md b/price_service/client/js/README.md
index 863a60cf29..3b50a5a9be 100644
--- a/price_service/client/js/README.md
+++ b/price_service/client/js/README.md
@@ -1,3 +1,7 @@
+> **⚠️ DEPRECATION NOTICE**
+>
+> This package is deprecated and is no longer maintained. Please use [@pythnetwork/hermes-client](https://www.npmjs.com/package/@pythnetwork/hermes-client) instead.
+
 # Price Service Client
 
 [Pyth Network](https://pyth.network/) provides real-time pricing data in a variety of asset classes, including cryptocurrency, equities, FX and commodities.
diff --git a/price_service/client/js/package.json b/price_service/client/js/package.json
index 97bb0b3590..4d2ed8f44a 100644
--- a/price_service/client/js/package.json
+++ b/price_service/client/js/package.json
@@ -1,7 +1,8 @@
 {
   "name": "@pythnetwork/price-service-client",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "Pyth price service client",
+  "deprecated": "This package is deprecated and is no longer maintained. Please use @pythnetwork/hermes-client instead.",
   "author": {
     "name": "Pyth Data Association"
   },