diff --git a/examples/basic-agent/package.json b/examples/basic-agent/package.json
index 79df34bd..eae708a5 100644
--- a/examples/basic-agent/package.json
+++ b/examples/basic-agent/package.json
@@ -9,6 +9,6 @@
   },
   "dependencies": {
     "@wasmagent/core": "workspace:*",
-    "@anthropic-ai/sdk": "^0.37.0"
+    "@anthropic-ai/sdk": "^0.115.0"
   }
 }
diff --git a/examples/tool-calling-agent/package.json b/examples/tool-calling-agent/package.json
index 1473e9ed..d7a6e34e 100644
--- a/examples/tool-calling-agent/package.json
+++ b/examples/tool-calling-agent/package.json
@@ -10,7 +10,7 @@
   },
   "dependencies": {
     "@wasmagent/core": "workspace:*",
-    "@anthropic-ai/sdk": "^0.37.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "zod": "^3.23.0"
   }
 }
diff --git a/packages/claude-agent-sdk/package.json b/packages/claude-agent-sdk/package.json
index 085b1cc7..72969ac1 100644
--- a/packages/claude-agent-sdk/package.json
+++ b/packages/claude-agent-sdk/package.json
@@ -29,7 +29,7 @@
     }
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.55.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "@types/node": "^26.1.1",
     "typescript": "^5.7.0",
     "zod": "^3.22.0"
diff --git a/packages/cli/package.json b/packages/cli/package.json
index c0feb521..c06469c1 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "@wasmagent/model-local": "workspace:*",
-    "@anthropic-ai/sdk": "^0.37.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "typescript": "^5.7.0"
   },
   "license": "Apache-2.0",
diff --git a/packages/cloudflare-worker/package.json b/packages/cloudflare-worker/package.json
index 07f1aebc..e6e219e1 100644
--- a/packages/cloudflare-worker/package.json
+++ b/packages/cloudflare-worker/package.json
@@ -23,7 +23,7 @@
     "@wasmagent/models": "workspace:*"
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.55.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "@cloudflare/workers-types": "^4.20241224.0",
     "@size-limit/preset-big-lib": "^12.1.0",
     "size-limit": "^12.1.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index 29382251..ed6e447d 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -65,7 +65,7 @@
     }
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.55.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "@modelcontextprotocol/sdk": "^1.29.0",
     "@wasmagent/aep": "workspace:*",
     "openai": "^4.90.0",
diff --git a/packages/model-anthropic/package.json b/packages/model-anthropic/package.json
index 85c5e867..48f98dc5 100644
--- a/packages/model-anthropic/package.json
+++ b/packages/model-anthropic/package.json
@@ -24,7 +24,7 @@
     "@anthropic-ai/sdk": ">=0.55.0"
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.55.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "typescript": "^5.7.0"
   },
   "license": "Apache-2.0",
diff --git a/packages/models/package.json b/packages/models/package.json
index 8a9a0bc6..4482a495 100644
--- a/packages/models/package.json
+++ b/packages/models/package.json
@@ -65,7 +65,7 @@
     }
   },
   "devDependencies": {
-    "@anthropic-ai/sdk": "^0.55.0",
+    "@anthropic-ai/sdk": "^0.115.0",
     "openai": "^4.90.0",
     "typescript": "^5.7.0"
   },