diff --git a/examples/langchain-v1/package.json b/examples/langchain-v1/package.json
index 58b3bb02..77f844fd 100644
--- a/examples/langchain-v1/package.json
+++ b/examples/langchain-v1/package.json
@@ -25,7 +25,7 @@
     "@langchain/mcp-adapters": "^1.1.3",
     "@langchain/openai": "1.2.7",
     "dotenv": "17.2.3",
-    "langchain": "1.2.24",
+    "langchain": "1.5.2",
     "prompts": "2.4.2"
   },
   "devDependencies": {