diff --git a/pkg/server/api/console/v1/sign_out_handler.go b/pkg/server/api/console/v1/sign_out_handler.go
index 90400fa29..02365d6ea 100644
--- a/pkg/server/api/console/v1/sign_out_handler.go
+++ b/pkg/server/api/console/v1/sign_out_handler.go
@@ -52,6 +52,8 @@ func SignOutHandler(usrmgrSvc *usrmgr.Service, authCfg AuthConfig) http.HandlerF
 			authCfg.CookieSecret,
 		))
 
+		w.Header().Set("Clear-Site-Data", "*")
+
 		httpserver.RenderJSON(w, http.StatusOK, map[string]bool{"success": true})
 	}
 }