diff --git a/server/package-lock.json b/server/package-lock.json
index d0bc37f..2380f89 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@hono/node-server": "^1.13.0",
-        "@langchain/anthropic": "^1.3.25",
+        "@langchain/anthropic": "^1.3.26",
         "@langchain/core": "^1.1.38",
         "@langchain/langgraph": "^1.2.6",
         "@langchain/openai": "^1.4.1",
@@ -571,9 +571,9 @@
       "license": "MIT"
     },
     "node_modules/@langchain/anthropic": {
-      "version": "1.3.25",
-      "resolved": "https://registry.npmjs.org/@langchain/anthropic/-/anthropic-1.3.25.tgz",
-      "integrity": "sha512-iwhznHMFaU+MZyac4UJjppJmfNSINB1Joruh0obgCLSmJYxicRVWtWnUgnHXGYRstToWDYwfymvfftgo872EzQ==",
+      "version": "1.3.26",
+      "resolved": "https://registry.npmjs.org/@langchain/anthropic/-/anthropic-1.3.26.tgz",
+      "integrity": "sha512-8gfnM1MzZkb3HVD0WjWeb/HFdP4cNGWSokhBtrwW0qSJN+b1j9oBMwWZaVdd+VBKsx4hqzv0bdrMzWje0TMw+g==",
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.74.0",
@@ -583,7 +583,7 @@
         "node": ">=20"
       },
       "peerDependencies": {
-        "@langchain/core": "^1.1.34"
+        "@langchain/core": "^1.1.38"
       }
     },
     "node_modules/@langchain/core": {
diff --git a/server/package.json b/server/package.json
index 5005202..89a027e 100644
--- a/server/package.json
+++ b/server/package.json
@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@hono/node-server": "^1.13.0",
-    "@langchain/anthropic": "^1.3.25",
+    "@langchain/anthropic": "^1.3.26",
     "@langchain/core": "^1.1.38",
     "@langchain/langgraph": "^1.2.6",
     "@langchain/openai": "^1.4.1",