diff --git a/packages/server/package.json b/packages/server/package.json
index 05bd12a..c509c8b 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -14,7 +14,7 @@
     "db:migrate": "drizzle-kit migrate"
   },
   "dependencies": {
-    "@anthropic-ai/sdk": "^0.90.0",
+    "@anthropic-ai/sdk": "^0.91.1",
     "@hono/node-server": "^1.19.13",
     "adm-zip": "^0.5.17",
     "bcrypt": "^6.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e47f361..e9c3fb8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -71,8 +71,8 @@ importers:
   packages/server:
     dependencies:
       '@anthropic-ai/sdk':
-        specifier: ^0.90.0
-        version: 0.90.0(zod@4.3.6)
+        specifier: ^0.91.1
+        version: 0.91.1(zod@4.3.6)
       '@hono/node-server':
         specifier: ^1.19.13
         version: 1.19.13(hono@4.12.14)
@@ -201,8 +201,8 @@ importers:
 
 packages:
 
-  '@anthropic-ai/sdk@0.90.0':
-    resolution: {integrity: sha512-MzZtPabJF1b0FTDl6Z6H5ljphPwACLGP13lu8MTiB8jXaW/YXlpOp+Po2cVou3MPM5+f5toyLnul9whKCy7fBg==}
+  '@anthropic-ai/sdk@0.91.1':
+    resolution: {integrity: sha512-LAmu761tSN9r66ixvmciswUj/ZC+1Q4iAfpedTfSVLeswRwnY3n2Nb6Tsk+cLPP28aLOPWeMgIuTuCcMC6W/iw==}
     hasBin: true
     peerDependencies:
       zod: ^3.25.0 || ^4.0.0
@@ -3035,6 +3035,7 @@ packages:
 
   uuid@10.0.0:
     resolution: {integrity: sha512-8XkAphELsDnEGrDxUOHB3RGvXz6TeuYSGEZBOjtTtPm2lwhGBjLgOzLHB63IUWfBpNucQjND6d3AOudO+H3RWQ==}
+    deprecated: uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).
     hasBin: true
 
   vary@1.1.2:
@@ -3219,7 +3220,7 @@ packages:
 
 snapshots:
 
-  '@anthropic-ai/sdk@0.90.0(zod@4.3.6)':
+  '@anthropic-ai/sdk@0.91.1(zod@4.3.6)':
     dependencies:
       json-schema-to-ts: 3.1.1
     optionalDependencies: