diff --git a/node-backend/package-lock.json b/node-backend/package-lock.json
index 42683af..6089528 100644
--- a/node-backend/package-lock.json
+++ b/node-backend/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "@anthropic-ai/sdk": "^0.30.0",
         "@browserstack/ai-sdk": "file:../sdk-vendor/browserstack-ai-sdk-1.0.0-beta.3.tgz",
-        "@langchain/anthropic": "^0.3.0",
+        "@langchain/anthropic": "^1.4.0",
         "@langchain/core": "^0.3.0",
         "@langchain/openai": "^0.3.0",
         "cors": "^2.8.5",
@@ -529,28 +529,29 @@
       }
     },
     "node_modules/@langchain/anthropic": {
-      "version": "0.3.34",
-      "resolved": "https://registry.npmjs.org/@langchain/anthropic/-/anthropic-0.3.34.tgz",
-      "integrity": "sha512-8bOW1A2VHRCjbzdYElrjxutKNs9NSIxYRGtR+OJWVzluMqoKKh2NmmFrpPizEyqCUEG2tTq5xt6XA1lwfqMJRA==",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/@langchain/anthropic/-/anthropic-1.4.0.tgz",
+      "integrity": "sha512-rs1yVydrHjyiD31uChdCnKZpmDuKa0Bpz8Raiy9GvqnqmfXPMe0oOrap/2paE+NRSinDbtax8mMpP/yv8EbO1A==",
       "license": "MIT",
       "dependencies": {
-        "@anthropic-ai/sdk": "^0.65.0",
-        "fast-xml-parser": "^4.4.1"
+        "@anthropic-ai/sdk": "^0.95.1",
+        "zod": "^3.25.76 || ^4"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=20"
       },
       "peerDependencies": {
-        "@langchain/core": ">=0.3.58 <0.4.0"
+        "@langchain/core": "^1.1.47"
       }
     },
     "node_modules/@langchain/anthropic/node_modules/@anthropic-ai/sdk": {
-      "version": "0.65.0",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.65.0.tgz",
-      "integrity": "sha512-zIdPOcrCVEI8t3Di40nH4z9EoeyGZfXbYSvWdDLsB/KkaSYMnEgC7gmcgWu83g2NTn1ZTpbMvpdttWDGGIk6zw==",
+      "version": "0.95.2",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.95.2.tgz",
+      "integrity": "sha512-Egddwo3sheo1PzUrMkZnH6VkQYwS0h/b/i8vSK8Ta9M45UQipAMeDFH57dYuDAfXMEUUGeKw6CMlremgMZgrSQ==",
       "license": "MIT",
       "dependencies": {
-        "json-schema-to-ts": "^3.1.1"
+        "json-schema-to-ts": "^3.1.1",
+        "standardwebhooks": "^1.0.0"
       },
       "bin": {
         "anthropic-ai-sdk": "bin/cli"
@@ -618,6 +619,12 @@
         "linux"
       ]
     },
+    "node_modules/@stablelib/base64": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@stablelib/base64/-/base64-1.0.1.tgz",
+      "integrity": "sha512-1bnPQqSxSuc3Ii6MhBysoWCg58j97aUjuCSZrGSmDxNqtytIi0k8utUenAwTZN4V5mXXYGsVUI9zeBqy+jBOSQ==",
+      "license": "MIT"
+    },
     "node_modules/@types/body-parser": {
       "version": "1.19.6",
       "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
@@ -1304,23 +1311,11 @@
         "url": "https://opencollective.com/express"
       }
     },
-    "node_modules/fast-xml-parser": {
-      "version": "4.5.6",
-      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-4.5.6.tgz",
-      "integrity": "sha512-Yd4vkROfJf8AuJrDIVMVmYfULKmIJszVsMv7Vo71aocsKgFxpdlpSHXSaInvyYfgw2PRuObQSW2GFpVMUjxu9A==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/NaturalIntelligence"
-        }
-      ],
-      "license": "MIT",
-      "dependencies": {
-        "strnum": "^1.0.5"
-      },
-      "bin": {
-        "fxparser": "src/cli/cli.js"
-      }
+    "node_modules/fast-sha256": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/fast-sha256/-/fast-sha256-1.3.0.tgz",
+      "integrity": "sha512-n11RGP/lrWEFI/bWdygLxhI+pVeo1ZYIVwvvPkW7azl/rOy+F3HYRZ2K5zeE9mmkhQppyv9sQFx0JM9UabnpPQ==",
+      "license": "Unlicense"
     },
     "node_modules/finalhandler": {
       "version": "1.3.2",
@@ -2153,6 +2148,16 @@
       "integrity": "sha512-j7piyCjAeTDSjzTSQ7DokZtMNwNlEAyxqSZeCS+CXH7fJ4jx3FuJ/mTW3mE+6JLs4VJBbcll0Kjn+KXI5t21Iw==",
       "license": "MIT"
     },
+    "node_modules/standardwebhooks": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/standardwebhooks/-/standardwebhooks-1.0.0.tgz",
+      "integrity": "sha512-BbHGOQK9olHPMvQNHWul6MYlrRTAOKn03rOe4A8O3CLWhNf4YHBqq2HJKKC+sfqpxiBY52pNeesD6jIiLDz8jg==",
+      "license": "MIT",
+      "dependencies": {
+        "@stablelib/base64": "^1.0.0",
+        "fast-sha256": "^1.3.0"
+      }
+    },
     "node_modules/statuses": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
@@ -2162,18 +2167,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/strnum": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/strnum/-/strnum-1.1.2.tgz",
-      "integrity": "sha512-vrN+B7DBIoTTZjnPNewwhx6cBA/H+IS7rfW68n7XxC1y7uoiGQBxaKzqucGUgavX15dJgiGztLJ8vxuEzwqBdA==",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/NaturalIntelligence"
-        }
-      ],
-      "license": "MIT"
-    },
     "node_modules/supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
diff --git a/node-backend/package.json b/node-backend/package.json
index 1cc3f4a..5489c1e 100644
--- a/node-backend/package.json
+++ b/node-backend/package.json
@@ -22,7 +22,7 @@
     "@anthropic-ai/sdk": "^0.30.0",
     "@langchain/core": "^0.3.0",
     "@langchain/openai": "^0.3.0",
-    "@langchain/anthropic": "^0.3.0",
+    "@langchain/anthropic": "^1.4.0",
     "csv-parse": "^5.5.6",
     "@browserstack/ai-sdk": "file:../sdk-vendor/browserstack-ai-sdk-1.0.0-beta.3.tgz"
   },