diff --git a/aggregator-agent/cmd/agent/main.go b/aggregator-agent/cmd/agent/main.go
index 3e4ac00..c49349a 100644
--- a/aggregator-agent/cmd/agent/main.go
+++ b/aggregator-agent/cmd/agent/main.go
@@ -28,7 +28,7 @@ import (
 )
 
 const (
-	AgentVersion = "0.1.20" // Phase 1: Granular subsystem commands and parallel scanner execution
+	AgentVersion = "0.1.22" // v0.1.22: Machine binding and version enforcement security release
 )
 
 // getConfigPath returns the platform-specific config path