From b32daa063940f102c74674add7aec0c2f85f8361 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Mon, 6 Jul 2026 07:40:07 +0000
Subject: [PATCH] chore(main): release 0.4.0

---
 .release-please-manifest.json | 2 +-
 CHANGELOG.md                  | 7 +++++++
 src/glassflow/__init__.py     | 2 +-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0ee8c01..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.0"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1163a77..c7517a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/glassflow/glassflow-python/compare/v0.3.0...v0.4.0) (2026-07-06)
+
+
+### Features
+
+* first-class MCP tool-call instrumentation ([#24](https://github.com/glassflow/glassflow-python/issues/24)) ([623004f](https://github.com/glassflow/glassflow-python/commit/623004fdd388b7244d7bbc4374b1023ea7680793))
+
 ## [0.3.0](https://github.com/glassflow/glassflow-python/compare/v0.2.0...v0.3.0) (2026-07-05)
 
 
diff --git a/src/glassflow/__init__.py b/src/glassflow/__init__.py
index 319d042..ac3249d 100644
--- a/src/glassflow/__init__.py
+++ b/src/glassflow/__init__.py
@@ -1,6 +1,6 @@
 """GlassFlow SDK — OpenTelemetry-native tracing for AI agents and LLM apps."""
 
-__version__ = "0.3.0"  # x-release-please-version
+__version__ = "0.4.0"  # x-release-please-version
 
 from .client import GlassflowClient, build_span_exporter, get_tracer, init
 from .config import GlassflowConfig, resolve_config