diff --git a/package-lock.json b/package-lock.json
index cb3e9cc..fb13c23 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,25 +9,26 @@
       "version": "0.3.0",
       "license": "MIT",
       "devDependencies": {
-        "@anthropic-ai/sdk": "^0.68.0",
+        "@anthropic-ai/sdk": "^0.109.1",
         "@types/node": "^25.9.1",
         "tsup": "^8.0.0",
         "tsx": "^4.21.0",
         "typescript": "^5.3.0",
-        "zod": "^3.25.0"
+        "zod": "^4.4.3"
       },
       "engines": {
         "node": ">=18"
       }
     },
     "node_modules/@anthropic-ai/sdk": {
-      "version": "0.68.0",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.68.0.tgz",
-      "integrity": "sha512-SMYAmbbiprG8k1EjEPMTwaTqssDT7Ae+jxcR5kWXiqTlbwMR2AthXtscEVWOHkRfyAV5+y3PFYTJRNa3OJWIEw==",
+      "version": "0.109.1",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.109.1.tgz",
+      "integrity": "sha512-q9OnEKLr5H9nxSuXdgDgJhxfYMiE+AaUEBze2Gk91UcaaLnsN+Lx5fbCYywiqurU/APLdwv23x03Wm6WN3EBsg==",
       "dev": true,
       "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"
@@ -882,6 +883,13 @@
         "win32"
       ]
     },
+    "node_modules/@stablelib/base64": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@stablelib/base64/-/base64-1.0.1.tgz",
+      "integrity": "sha512-1bnPQqSxSuc3Ii6MhBysoWCg58j97aUjuCSZrGSmDxNqtytIi0k8utUenAwTZN4V5mXXYGsVUI9zeBqy+jBOSQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/estree": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.8.tgz",
@@ -1048,6 +1056,13 @@
         "@esbuild/win32-x64": "0.27.7"
       }
     },
+    "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==",
+      "dev": true,
+      "license": "Unlicense"
+    },
     "node_modules/fdir": {
       "version": "6.5.0",
       "resolved": "https://registry.npmjs.org/fdir/-/fdir-6.5.0.tgz",
@@ -1370,6 +1385,17 @@
         "node": ">= 12"
       }
     },
+    "node_modules/standardwebhooks": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/standardwebhooks/-/standardwebhooks-1.0.0.tgz",
+      "integrity": "sha512-BbHGOQK9olHPMvQNHWul6MYlrRTAOKn03rOe4A8O3CLWhNf4YHBqq2HJKKC+sfqpxiBY52pNeesD6jIiLDz8jg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@stablelib/base64": "^1.0.0",
+        "fast-sha256": "^1.3.0"
+      }
+    },
     "node_modules/sucrase": {
       "version": "3.35.1",
       "resolved": "https://registry.npmjs.org/sucrase/-/sucrase-3.35.1.tgz",
@@ -2049,9 +2075,9 @@
       "license": "MIT"
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
+      "integrity": "sha512-ytENFjIJFl2UwYglde2jchW2Hwm4GJFLDiSXWdTrJQBIN9Fcyp7n4DhxJEiWNAJMV1/BqWfW/kkg71UDcHJyTQ==",
       "dev": true,
       "license": "MIT",
       "funding": {
diff --git a/package.json b/package.json
index 727c3eb..02269d2 100644
--- a/package.json
+++ b/package.json
@@ -35,12 +35,12 @@
     "demo:nbo": "tsx examples/next-best-offer.ts"
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.68.0",
+    "@anthropic-ai/sdk": "^0.109.1",
     "@types/node": "^25.9.1",
     "tsup": "^8.0.0",
     "tsx": "^4.21.0",
     "typescript": "^5.3.0",
-    "zod": "^3.25.0"
+    "zod": "^4.4.3"
   },
   "keywords": [
     "thinkfleet",