diff --git a/pyproject.toml b/pyproject.toml
index c824bf6..1c76264 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ readme = "README.md"
 license = { file = "LICENSE" }
 requires-python = ">=3.12"
 dependencies = [
-    "a2a-sdk>=0.3.10,<1.0.0",
+    "a2a-sdk>=1.1.0,<1.2.0",
     "boto3>=1.26.0",
     "httpx>=0.28.1",
     "pandas>=2.3.3",
diff --git a/uv.lock b/uv.lock
index 66c2eab..7334586 100644
--- a/uv.lock
+++ b/uv.lock
@@ -18,18 +18,22 @@ resolution-markers = [
 
 [[package]]
 name = "a2a-sdk"
-version = "0.3.26"
+version = "1.1.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
+    { name = "culsans", marker = "python_full_version < '3.13'" },
     { name = "google-api-core" },
+    { name = "googleapis-common-protos" },
     { name = "httpx" },
     { name = "httpx-sse" },
+    { name = "json-rpc" },
+    { name = "packaging" },
     { name = "protobuf" },
     { name = "pydantic" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/be/97/a6840e01795b182ce751ca165430d46459927cde9bfab838087cbb24aef7/a2a_sdk-0.3.26.tar.gz", hash = "sha256:44068e2d037afbb07ab899267439e9bc7eaa7ac2af94f1e8b239933c993ad52d", size = 274598, upload-time = "2026-04-09T15:21:13.902Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/c7/7e/8ac10bbf8b15b16574355f39b17dbdf617a282c27b41c7ff2116e30336df/a2a_sdk-1.1.0.tar.gz", hash = "sha256:e8102dad1b36709dbdc3d19319e38e6dfa3b3a79c30416030eb2d482576be204", size = 375726, upload-time = "2026-05-29T09:34:43.015Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/dd/d5/51f4ee1bf3b736add42a542d3c8a3fd3fa85f3d36c17972127defc46c26f/a2a_sdk-0.3.26-py3-none-any.whl", hash = "sha256:754e0573f6d33b225c1d8d51f640efa69cbbed7bdfb06ce9c3540ea9f58d4a91", size = 151016, upload-time = "2026-04-09T15:21:12.35Z" },
+    { url = "https://files.pythonhosted.org/packages/d4/ea/3a5b160cfd51c67759b08748051094d9365ceff18127633d0021950c9860/a2a_sdk-1.1.0-py3-none-any.whl", hash = "sha256:d7f5846caf18033d8bf3108b11ec827dd8dd32f867c98848ede0e39474be93be", size = 241886, upload-time = "2026-05-29T09:34:41.484Z" },
 ]
 
 [[package]]
@@ -65,7 +69,7 @@ dev = [
 
 [package.metadata]
 requires-dist = [
-    { name = "a2a-sdk", specifier = ">=0.3.10,<1.0.0" },
+    { name = "a2a-sdk", specifier = ">=1.1.0,<1.2.0" },
     { name = "boto3", specifier = ">=1.26.0" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "opentelemetry-api", specifier = ">=1.20.0" },
@@ -185,6 +189,20 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/62/29/2f8418269e46454a26171bfdd6a055d74febf32234e474930f2f60a17145/aiohttp-3.13.5-cp314-cp314t-win_amd64.whl", hash = "sha256:18a2f6c1182c51baa1d28d68fea51513cb2a76612f038853c0ad3c145423d3d9", size = 505441, upload-time = "2026-03-31T22:00:12.791Z" },
 ]
 
+[[package]]
+name = "aiologic"
+version = "0.16.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "sniffio", marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+    { name = "wrapt", marker = "python_full_version < '3.13'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/a8/13/50b91a3ea6b030d280d2654be97c48b6ed81753a50286ee43c646ba36d3c/aiologic-0.16.0.tar.gz", hash = "sha256:c267ccbd3ff417ec93e78d28d4d577ccca115d5797cdbd16785a551d9658858f", size = 225952, upload-time = "2025-11-27T23:48:41.195Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/f6/27/206615942005471499f6fbc36621582e24d0686f33c74b2d018fcfd4fe67/aiologic-0.16.0-py3-none-any.whl", hash = "sha256:e00ce5f68c5607c864d26aec99c0a33a83bdf8237aa7312ffbb96805af67d8b6", size = 135193, upload-time = "2025-11-27T23:48:40.099Z" },
+]
+
 [[package]]
 name = "aiosignal"
 version = "1.4.0"
@@ -555,6 +573,19 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/9d/9a/0fea98a70cf1749d41d738836f6349d97945f7c89433a259a6c2642eefeb/cryptography-48.0.0-cp39-abi3-win_amd64.whl", hash = "sha256:16cd65b9330583e4619939b3a3843eec1e6e789744bb01e7c7e2e62e33c239c8", size = 3792100, upload-time = "2026-05-04T22:59:14.884Z" },
 ]
 
+[[package]]
+name = "culsans"
+version = "0.11.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "aiologic", marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/d9/e3/49afa1bc180e0d28008ec6bcdf82a4072d1c7a41032b5b759b60814ca4b0/culsans-0.11.0.tar.gz", hash = "sha256:0b43d0d05dce6106293d114c86e3fb4bfc63088cfe8ff08ed3fe36891447fe33", size = 107546, upload-time = "2025-12-31T23:15:38.196Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/e0/5d/9fb19fb38f6d6120422064279ea5532e22b84aa2be8831d49607194feda3/culsans-0.11.0-py3-none-any.whl", hash = "sha256:278d118f63fc75b9db11b664b436a1b83cc30d9577127848ba41420e66eb5a47", size = 21811, upload-time = "2025-12-31T23:15:37.189Z" },
+]
+
 [[package]]
 name = "dataclasses-json"
 version = "0.6.7"
@@ -1048,6 +1079,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/14/2f/967ba146e6d58cf6a652da73885f52fc68001525b4197effc174321d70b4/jmespath-1.1.0-py3-none-any.whl", hash = "sha256:a5663118de4908c91729bea0acadca56526eb2698e83de10cd116ae0f4e97c64", size = 20419, upload-time = "2026-01-22T16:35:24.919Z" },
 ]
 
+[[package]]
+name = "json-rpc"
+version = "1.15.0"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/6d/9e/59f4a5b7855ced7346ebf40a2e9a8942863f644378d956f68bcef2c88b90/json-rpc-1.15.0.tar.gz", hash = "sha256:e6441d56c1dcd54241c937d0a2dcd193bdf0bdc539b5316524713f554b7f85b9", size = 28854, upload-time = "2023-06-11T09:45:49.078Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/94/9e/820c4b086ad01ba7d77369fb8b11470a01fac9b4977f02e18659cf378b6b/json_rpc-1.15.0-py2.py3-none-any.whl", hash = "sha256:4a4668bbbe7116feb4abbd0f54e64a4adcf4b8f648f19ffa0848ad0f6606a9bf", size = 39450, upload-time = "2023-06-11T09:45:47.136Z" },
+]
+
 [[package]]
 name = "jsonpatch"
 version = "1.33"