diff --git a/mecheval/harness/package.json b/mecheval/harness/package.json
index 80168623..4156a28b 100644
--- a/mecheval/harness/package.json
+++ b/mecheval/harness/package.json
@@ -21,7 +21,7 @@
     "test": "vitest run"
   },
   "dependencies": {
-    "@anthropic-ai/sdk": "^0.88.0",
+    "@anthropic-ai/sdk": "^0.91.1",
     "@modelcontextprotocol/sdk": "^1.0.0",
     "@vcad/mcp": "*",
     "openai": "^4.104.0"
diff --git a/package-lock.json b/package-lock.json
index 28031322..3553ddef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
         "mecheval/leaderboard"
       ],
       "devDependencies": {
-        "@anthropic-ai/sdk": "^0.88.0",
+        "@anthropic-ai/sdk": "^0.91.1",
         "@tauri-apps/cli": "^2",
         "turbo": "^2"
       }
@@ -20,7 +20,7 @@
       "name": "@mecheval/harness",
       "version": "0.0.1",
       "dependencies": {
-        "@anthropic-ai/sdk": "^0.88.0",
+        "@anthropic-ai/sdk": "^0.91.1",
         "@modelcontextprotocol/sdk": "^1.0.0",
         "@vcad/mcp": "*",
         "openai": "^4.104.0"
@@ -1475,9 +1475,9 @@
       }
     },
     "node_modules/@anthropic-ai/sdk": {
-      "version": "0.88.0",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.88.0.tgz",
-      "integrity": "sha512-QQOtB5U9ZBJQj6y1ICmDZl14LWa4JCiJRoihI+0yuZ4OjbONrakP0yLwPv4DJFb3VYCtQM31bTOpCBMs2zghPw==",
+      "version": "0.91.1",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.91.1.tgz",
+      "integrity": "sha512-LAmu761tSN9r66ixvmciswUj/ZC+1Q4iAfpedTfSVLeswRwnY3n2Nb6Tsk+cLPP28aLOPWeMgIuTuCcMC6W/iw==",
       "license": "MIT",
       "dependencies": {
         "json-schema-to-ts": "^3.1.1"
diff --git a/package.json b/package.json
index 4a9d6888..4c33f752 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "publish:crates:dry": "node scripts/publish-crates.mjs --dry-run"
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.88.0",
+    "@anthropic-ai/sdk": "^0.91.1",
     "@tauri-apps/cli": "^2",
     "turbo": "^2"
   },