diff --git a/kibana/fleet.go b/kibana/fleet.go
index 3f0c7cc8..42feaa59 100644
--- a/kibana/fleet.go
+++ b/kibana/fleet.go
@@ -359,6 +359,7 @@ type UpgradeAgentRequest struct {
 	ID        string `json:"-"` // ID is not part of the request body send to the Fleet API
 	Version   string `json:"version"`
 	SourceURI string `json:"source_uri"`
+	Force     bool   `json:"force"`
 }
 
 // UpgradeAgentResponse is currently unused