diff --git a/package-lock.json b/package-lock.json
index 606473e..89b00cf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@biomejs/biome": "^2.5.5",
         "@langchain/core": "1.2.5",
         "@theorvane/type-mcp": "0.3.1",
-        "langchain": "1.5.4",
+        "langchain": "1.5.5",
         "tsup": "^8.5.1",
         "typescript": "^5.9.3",
         "zod": "^4.4.3",
@@ -2204,13 +2204,13 @@
       "license": "BSD-2-Clause"
     },
     "node_modules/langchain": {
-      "version": "1.5.4",
-      "resolved": "https://registry.npmjs.org/langchain/-/langchain-1.5.4.tgz",
-      "integrity": "sha512-9Rq6Ih77UOy3+7bCbxMJS16MRUJwfxuljU0yW2KOXDgEKWE8cmaZJE6ONEy4HdWGMsbj3qyv3vD5UvV7fvNksg==",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/langchain/-/langchain-1.5.5.tgz",
+      "integrity": "sha512-KhedvQDRvaLIFMSvEy45U/pqR4G0dEfN7wPyHTBMgMIUXbcrVkaqRVlDSMPfMCwNuiRCfWFUHueYGtgSrwBcBA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@langchain/langgraph": "^1.4.7",
+        "@langchain/langgraph": "^1.4.8",
         "@langchain/langgraph-checkpoint": "^1.1.3",
         "langsmith": ">=0.5.0 <1.0.0",
         "zod": "^3.25.76 || ^4"
@@ -2219,7 +2219,7 @@
         "node": ">=20"
       },
       "peerDependencies": {
-        "@langchain/core": "^1.2.3"
+        "@langchain/core": "^1.2.5"
       }
     },
     "node_modules/langsmith": {
diff --git a/package.json b/package.json
index bd93d0b..fdc1390 100644
--- a/package.json
+++ b/package.json
@@ -121,7 +121,7 @@
     "@biomejs/biome": "^2.5.5",
     "@langchain/core": "1.2.5",
     "@theorvane/type-mcp": "0.3.1",
-    "langchain": "1.5.4",
+    "langchain": "1.5.5",
     "tsup": "^8.5.1",
     "typescript": "^5.9.3",
     "zod": "^4.4.3",