diff --git a/package-lock.json b/package-lock.json
index 9c059a56..b16877c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,21 +37,61 @@
       }
     },
     "node_modules/@ai-sdk/anthropic": {
-      "version": "2.0.93",
-      "resolved": "https://registry.npmjs.org/@ai-sdk/anthropic/-/anthropic-2.0.93.tgz",
-      "integrity": "sha512-EijHMGGyWff/guo3QyxC/nJKZLmTctKt/VgkVpUzCq4dmiaf8j3rXYgSyqHs+aN3WEkHyd/NtQdQVG0lgPvHrQ==",
+      "version": "4.0.45",
+      "resolved": "https://registry.npmjs.org/@ai-sdk/anthropic/-/anthropic-4.0.45.tgz",
+      "integrity": "sha512-2h1WYU1VdfkI6CU3mLes7Vh4Ua3jq5LDE1ciMgUymLNS7ZbtqhgVzBBPhnOdg83lnkYTAOeApCgkGOdwJHxdkA==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@ai-sdk/provider": "2.0.3",
-        "@ai-sdk/provider-utils": "3.0.31"
+        "@ai-sdk/provider": "4.0.8",
+        "@ai-sdk/provider-utils": "5.0.33"
       },
       "engines": {
-        "node": ">=18"
+        "node": ">=22"
+      },
+      "peerDependencies": {
+        "zod": "^3.25.76 || ^4.1.8"
+      }
+    },
+    "node_modules/@ai-sdk/anthropic/node_modules/@ai-sdk/provider": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/@ai-sdk/provider/-/provider-4.0.8.tgz",
+      "integrity": "sha512-aWO7iwhFUGf347tCwNGggggfmZigaSu7TF739IZSrWWABUp7zkb4Cr3fMqvBe5EIS7ABJJu3Cadn0g/zs1G0QQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "json-schema": "^0.4.0"
+      },
+      "engines": {
+        "node": ">=22"
+      }
+    },
+    "node_modules/@ai-sdk/anthropic/node_modules/@ai-sdk/provider-utils": {
+      "version": "5.0.33",
+      "resolved": "https://registry.npmjs.org/@ai-sdk/provider-utils/-/provider-utils-5.0.33.tgz",
+      "integrity": "sha512-TfjJqJmRsQyxAlb+3hGmP1o1xLUIT79yhOgtJuTF4hqsB37IC3CufGsuFhU04EeTOg7R9iptQ6Bzm0MW0n/c3g==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@ai-sdk/provider": "4.0.8",
+        "@standard-schema/spec": "^1.1.0",
+        "@workflow/serde": "4.1.0",
+        "eventsource-parser": "^3.0.8",
+        "undici": "^7.28.0"
+      },
+      "engines": {
+        "node": ">=22"
       },
       "peerDependencies": {
         "zod": "^3.25.76 || ^4.1.8"
       }
     },
+    "node_modules/@ai-sdk/anthropic/node_modules/undici": {
+      "version": "7.29.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.29.0.tgz",
+      "integrity": "sha512-IDxfleLmmbSskfWSUATiN1nfn2rDuvnMOqb5CWR92iIfojA0Ud+ulOAAEQ57LPr9rWmsreUyf5lwyao+7GNNVw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.18.1"
+      }
+    },
     "node_modules/@ai-sdk/gateway": {
       "version": "2.0.127",
       "resolved": "https://registry.npmjs.org/@ai-sdk/gateway/-/gateway-2.0.127.tgz",
@@ -3796,6 +3836,12 @@
         "url": "https://opencollective.com/vitest"
       }
     },
+    "node_modules/@workflow/serde": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@workflow/serde/-/serde-4.1.0.tgz",
+      "integrity": "sha512-pav4F2BoirECWR7Nf1TKt+2eETcBj7jj4cBefQ8VXQCA6NPkaKeLfj/zMgi+3zYV5ZIBT4GuUiphsj0/b9hPQQ==",
+      "license": "Apache-2.0"
+    },
     "node_modules/abstract-logging": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-2.0.1.tgz",
@@ -9829,7 +9875,7 @@
       "name": "@deduvafork/squad-lab",
       "version": "0.1.0",
       "dependencies": {
-        "@ai-sdk/anthropic": "^2.0.93",
+        "@ai-sdk/anthropic": "^4.0.45",
         "@ai-sdk/google": "^2.0.86",
         "@deduvafork/squad-sdk": "*",
         "@fastify/static": "^10.1.3",
@@ -10549,9 +10595,6 @@
       "name": "@deduvafork/squad-sdk",
       "version": "0.12.0-preview.1",
       "license": "MIT",
-      "dependencies": {
-        "ws": "8.21.3"
-      },
       "devDependencies": {
         "@types/node": "^26.4.0",
         "@types/sql.js": "^1.4.10",
diff --git a/packages/squad-lab/package.json b/packages/squad-lab/package.json
index 34d99203..ab57bcb7 100644
--- a/packages/squad-lab/package.json
+++ b/packages/squad-lab/package.json
@@ -37,7 +37,7 @@
     "variance-report": "npx tsx scripts/variance-report.ts"
   },
   "dependencies": {
-    "@ai-sdk/anthropic": "^2.0.93",
+    "@ai-sdk/anthropic": "^4.0.45",
     "@ai-sdk/google": "^2.0.86",
     "@deduvafork/squad-sdk": "*",
     "@fastify/static": "^10.1.3",