diff --git a/package.json b/package.json
index 16ebb9802..ac1407330 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
   ],
   "dependencies": {
     "@agentclientprotocol/sdk": "^0.22.1",
-    "@ai-sdk/anthropic": "^3.0.14",
+    "@ai-sdk/anthropic": "^4.0.18",
     "@ai-sdk/mcp": "^1.0.9",
     "@ai-sdk/openai": "^3.0.11",
     "@ai-sdk/openai-compatible": "^2.0.12",