diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bbccf7..896e262 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.4.0] - 2026-02-04
+
+### Changed
+- **Version Alignment**: Synchronized version with capiscio-core v2.4.0
+
 ## [0.1.0] - 2026-01-15
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 26457c4..adc6892 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "capiscio-mcp"
-version = "0.1.0"
+version = "2.4.0"
 description = "Trust badges for MCP tool calls - RFC-006 & RFC-007 implementation"
 readme = "README.md"
 requires-python = ">=3.10"