diff --git a/python/packages/kagent-adk/pyproject.toml b/python/packages/kagent-adk/pyproject.toml
index f65572076..6c6376159 100644
--- a/python/packages/kagent-adk/pyproject.toml
+++ b/python/packages/kagent-adk/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
   "openai>=1.72.0",
   "mcp>=1.25.0",
   "protobuf>=6.33.5",  # CVE-2026-0994: Denial of Service due to recursion depth bypass
-  "anthropic[vertex]>=0.49.0",
+  "anthropic[vertex]>=0.116.0",
   "fastapi>=0.115.1",
   "google-adk>=1.28.1,<2",
   "google-genai>=1.21.1",
diff --git a/python/uv.lock b/python/uv.lock
index ea53ea609..d53eb5620 100644
--- a/python/uv.lock
+++ b/python/uv.lock
@@ -309,7 +309,7 @@ wheels = [
 
 [[package]]
 name = "anthropic"
-version = "0.112.0"
+version = "0.116.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -321,9 +321,9 @@ dependencies = [
     { name = "sniffio" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/7b/dd/808c144d4a883fcfd12fe0d7689b1d86bbbea6666c1cc957ad19f1017c22/anthropic-0.112.0.tar.gz", hash = "sha256:e180cd91aa5b9b32e4007fe69892ab128d8a86b9f90825103b1903fbc977d0af", size = 937460, upload-time = "2026-06-24T18:45:56.844Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/66/a2/d31f14e28d49bae983a3634e38dfb4b31c50110b5e403596c5c6a20b23f8/anthropic-0.116.0.tar.gz", hash = "sha256:5fc248fbb9fe03ef686f8a774f81586bca31a043260aab88b387ea3660f4a396", size = 949149, upload-time = "2026-07-02T19:08:10.534Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a9/26/ea71185027956325be1903d4fcaf7461d5ef40ca8f0e64f992e24ea9db0e/anthropic-0.112.0-py3-none-any.whl", hash = "sha256:bcc6268612c716dbb77133dd60fc41d26016d1b81dee9a52314d210193638751", size = 931954, upload-time = "2026-06-24T18:45:58.205Z" },
+    { url = "https://files.pythonhosted.org/packages/c7/dd/2a1e81cf1b163acc340afc4ec74ed1d86f5eed1a809fabdeed3e0997b346/anthropic-0.116.0-py3-none-any.whl", hash = "sha256:6c0a7698e8d652455da3499978279bb2588c7264d0a35be3666009a4258c8256", size = 956896, upload-time = "2026-07-02T19:08:08.756Z" },
 ]
 
 [package.optional-dependencies]
@@ -2336,7 +2336,7 @@ requires-dist = [
     { name = "agentsts-adk", editable = "packages/agentsts-adk" },
     { name = "agentsts-core", editable = "packages/agentsts-core" },
     { name = "aiofiles", specifier = ">=24.1.0" },
-    { name = "anthropic", extras = ["vertex"], specifier = ">=0.49.0" },
+    { name = "anthropic", extras = ["vertex"], specifier = ">=0.116.0" },
     { name = "anyio", specifier = ">=4.9.0" },
     { name = "boto3", specifier = ">=1.28.57" },
     { name = "fastapi", specifier = ">=0.115.1" },