diff --git a/pkg/meta/version.go b/pkg/meta/version.go
index af5feeed6..39e060291 100644
--- a/pkg/meta/version.go
+++ b/pkg/meta/version.go
@@ -2,7 +2,7 @@ package meta
 
 const (
 	// InstanceManagerAPIVersion is used for compatibility check for longhorn-manager
-	InstanceManagerAPIVersion    = 5
+	InstanceManagerAPIVersion    = 6
 	InstanceManagerAPIMinVersion = 1
 
 	// InstanceManagerProxyAPIVersion is used for compatibility check for longhorn-manager