diff --git a/internal/tools/tools.go b/internal/tools/tools.go
index aee602ad1..5126322c4 100644
--- a/internal/tools/tools.go
+++ b/internal/tools/tools.go
@@ -24,7 +24,7 @@ import (
 )
 
 // Version is the current release version, referenced by MCP handshake and update checker.
-const Version = "0.3.2"
+const Version = "0.4.0"
 
 // releaseURL is the GitHub API endpoint for latest release. Package-level var for test injection.
 var releaseURL = "https://api.github.com/repos/DeusData/codebase-memory-mcp/releases/latest"