diff --git a/tms/api/internal/handler/agents_config_push.go b/tms/api/internal/handler/agents_config_push.go
index 9359f589ffa0246a1f9e3a81a514297722d3ae04..8ef7bef582f20706eec1d7336d2a2e362b9effd8 100644
--- a/tms/api/internal/handler/agents_config_push.go
+++ b/tms/api/internal/handler/agents_config_push.go
@@ -59,6 +59,7 @@ func (d *Deps) AgentsConfigPush(w http.ResponseWriter, r *http.Request) {
 			envelope.WriteErr(w, r, errcode.CodeInvalidArgument, "parse multipart: "+perr.Error())
 			return
 		}
+		defer part.Close()
 
 		switch part.FormName() {
 		case "metadata":