diff --git a/examples/example-ai-pydantic-ai/uv.lock b/examples/example-ai-pydantic-ai/uv.lock
index d2ebf405..8b93cff0 100644
--- a/examples/example-ai-pydantic-ai/uv.lock
+++ b/examples/example-ai-pydantic-ai/uv.lock
@@ -1571,7 +1571,7 @@ wheels = [
 
 [[package]]
 name = "mcp"
-version = "1.26.0"
+version = "1.27.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -1589,9 +1589,9 @@ dependencies = [
     { name = "typing-inspection" },
     { name = "uvicorn", marker = "sys_platform != 'emscripten'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/fc/6d/62e76bbb8144d6ed86e202b5edd8a4cb631e7c8130f3f4893c3f90262b10/mcp-1.26.0.tar.gz", hash = "sha256:db6e2ef491eecc1a0d93711a76f28dec2e05999f93afd48795da1c1137142c66", size = 608005, upload-time = "2026-01-24T19:40:32.468Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/27/3c/347cf965d313f5d41764e7d46bea6ffe7d9ef13b983cc429b0340962a082/mcp-1.27.2.tar.gz", hash = "sha256:8e02db104096d1c25b28e64bde29a5c32b31bc241710213e12fd4d84985bdfef", size = 621116, upload-time = "2026-05-29T17:16:04.039Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/fd/d9/eaa1f80170d2b7c5ba23f3b59f766f3a0bb41155fbc32a69adfa1adaaef9/mcp-1.26.0-py3-none-any.whl", hash = "sha256:904a21c33c25aa98ddbeb47273033c435e595bbacfdb177f4bd87f6dceebe1ca", size = 233615, upload-time = "2026-01-24T19:40:30.652Z" },
+    { url = "https://files.pythonhosted.org/packages/c9/11/252c6f971dc4f16af1d98a1c469d8ba523aab00d1bb76b4d3bc1ff32eacc/mcp-1.27.2-py3-none-any.whl", hash = "sha256:d6ff5160c6ca65d93013626efb3fc249de683c30b2d8570755ceddd490344de5", size = 220498, upload-time = "2026-05-29T17:16:02.442Z" },
 ]
 
 [[package]]
@@ -1963,7 +1963,7 @@ wheels = [
 
 [[package]]
 name = "posthog"
-version = "7.21.1"
+version = "7.25.0"
 source = { directory = "../../" }
 dependencies = [
     { name = "backoff" },
@@ -1985,7 +1985,7 @@ requires-dist = [
     { name = "claude-agent-sdk", marker = "extra == 'test'" },
     { name = "coverage", marker = "extra == 'test'" },
     { name = "distro", specifier = ">=1.5.0" },
-    { name = "django", marker = "extra == 'test'", specifier = ">=5.2.8,<6.0" },
+    { name = "django", marker = "extra == 'test'", specifier = ">=5.2.15,<6.0" },
     { name = "django-stubs", marker = "extra == 'dev'" },
     { name = "fastmcp", marker = "extra == 'test'", specifier = ">=2.0" },
     { name = "freezegun", marker = "extra == 'test'", specifier = "==1.5.1" },
@@ -1997,9 +1997,9 @@ requires-dist = [
     { name = "langchain-core", marker = "extra == 'test'", specifier = ">=1.0" },
     { name = "langchain-openai", marker = "extra == 'test'", specifier = ">=1.0" },
     { name = "langgraph", marker = "extra == 'test'", specifier = ">=1.0" },
-    { name = "langgraph-checkpoint", marker = "extra == 'test'", specifier = ">=3.0.1" },
+    { name = "langgraph-checkpoint", marker = "extra == 'test'", specifier = ">=4.1.1" },
     { name = "lxml", marker = "extra == 'dev'" },
-    { name = "mcp", marker = "extra == 'test'", specifier = ">=1.26.0" },
+    { name = "mcp", marker = "extra == 'test'", specifier = ">=1.27.2" },
     { name = "mypy", marker = "extra == 'dev'" },
     { name = "mypy-baseline", marker = "extra == 'dev'" },
     { name = "openai", marker = "extra == 'test'", specifier = ">=2.0" },
@@ -2029,8 +2029,10 @@ requires-dist = [
     { name = "typing-extensions", specifier = ">=4.2.0" },
     { name = "tzdata", marker = "extra == 'test'" },
     { name = "wheel", marker = "extra == 'dev'" },
+    { name = "zstandard", marker = "extra == 'test'", specifier = ">=0.23.0" },
+    { name = "zstandard", marker = "extra == 'zstd'", specifier = ">=0.23.0" },
 ]
-provides-extras = ["langchain", "otel", "dev", "test"]
+provides-extras = ["langchain", "zstd", "otel", "dev", "test"]
 
 [package.metadata.requires-dev]
 dev = [{ name = "claude-agent-sdk", specifier = ">=0.1.50" }]
diff --git a/pyproject.toml b/pyproject.toml
index eab68e83..b6cf8dcc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,7 +89,7 @@ test = [
     "pydantic>=2.12.0",
     "parameterized>=0.8.1",
     "claude-agent-sdk",
-    "mcp>=1.26.0",
+    "mcp>=1.27.2",
     "fastmcp>=2.0",
     "opentelemetry-sdk>=1.20.0",
     "opentelemetry-exporter-otlp-proto-http>=1.20.0",