diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Revision history for pty-mcp-server
 
+## 0.2.2.0 -- 2026-07-05
+
+* Changed the method for retrieving command execution results.
+* Fixed the configuration setting loading process.
+
 ## 0.2.1.0 -- 2026-06-15
 
 * Added pms-infra-agent-server: TCP server listen/accept functionality for AI agents.
diff --git a/pty-mcp-server.cabal b/pty-mcp-server.cabal
--- a/pty-mcp-server.cabal
+++ b/pty-mcp-server.cabal
@@ -20,7 +20,7 @@
 -- PVP summary:     +-+------- breaking API changes
 --                  | | +----- non-breaking API additions
 --                  | | | +--- code changes with no API change
-version:            0.2.1.0
+version:            0.2.2.0
 
 -- A short (one-line) description of the package.
 synopsis:           pty-mcp-server