diff --git a/gitnexus-web/package-lock.json b/gitnexus-web/package-lock.json
index 2d73495ee..dcc0b2048 100644
--- a/gitnexus-web/package-lock.json
+++ b/gitnexus-web/package-lock.json
@@ -28,7 +28,7 @@
         "graphology-utils": "^2.3.0",
         "i18next": "^26.3.6",
         "i18next-browser-languagedetector": "^8.2.1",
-        "langchain": "^1.4.6",
+        "langchain": "^1.5.4",
         "lru-cache": "^11.5.2",
         "lucide-react": "^1.23.0",
         "mermaid": "^11.16.1",
@@ -5363,13 +5363,13 @@
       "integrity": "sha512-Ls993zuzfayK269Svk9hzpeGUKob/sIgZzyHYdjQoAdQetRKpOLj+k/QQQ/6Qi0Yz65mlROrfd+Ev+1+7dz9Kw=="
     },
     "node_modules/langchain": {
-      "version": "1.4.6",
-      "resolved": "https://registry.npmjs.org/langchain/-/langchain-1.4.6.tgz",
-      "integrity": "sha512-pwuFmGOyiMezptLVLrpb5jILirvYPGHI5uJCFHL5K5WPxMy2XuPLI5QNMKtoHkdiL6a2dLebqugKw87cneaESw==",
+      "version": "1.5.4",
+      "resolved": "https://registry.npmjs.org/langchain/-/langchain-1.5.4.tgz",
+      "integrity": "sha512-9Rq6Ih77UOy3+7bCbxMJS16MRUJwfxuljU0yW2KOXDgEKWE8cmaZJE6ONEy4HdWGMsbj3qyv3vD5UvV7fvNksg==",
       "license": "MIT",
       "dependencies": {
-        "@langchain/langgraph": "^1.3.4",
-        "@langchain/langgraph-checkpoint": "^1.0.4",
+        "@langchain/langgraph": "^1.4.7",
+        "@langchain/langgraph-checkpoint": "^1.1.3",
         "langsmith": ">=0.5.0 <1.0.0",
         "zod": "^3.25.76 || ^4"
       },
@@ -5377,7 +5377,7 @@
         "node": ">=20"
       },
       "peerDependencies": {
-        "@langchain/core": "^1.2.0"
+        "@langchain/core": "^1.2.3"
       }
     },
     "node_modules/langsmith": {
diff --git a/gitnexus-web/package.json b/gitnexus-web/package.json
index 45627767b..7fe8e55f0 100644
--- a/gitnexus-web/package.json
+++ b/gitnexus-web/package.json
@@ -38,7 +38,7 @@
     "graphology-utils": "^2.3.0",
     "i18next": "^26.3.6",
     "i18next-browser-languagedetector": "^8.2.1",
-    "langchain": "^1.4.6",
+    "langchain": "^1.5.4",
     "lru-cache": "^11.5.2",
     "lucide-react": "^1.23.0",
     "mermaid": "^11.16.1",