1diff --git a/pkg/handler/static/handler.go b/pkg/handler/static/handler.go
 2index 0973d75ec8bf59c89111050112bb0f43368cb147..361f6900b8266e8ccf0d8aca25b995b91ff3a97c 100644
 3--- a/pkg/handler/static/handler.go
 4+++ b/pkg/handler/static/handler.go
 5@@ -23,7 +23,7 @@ 			e = filepath.Ext(f)
 6 			m = mime.TypeByExtension(e)
 7 		)
 8 		ext.SetMIME(w, m)
 9-		w.Header().Add("Cache-Control", "immutable")
10+		w.Header().Add("Cache-Control", "max-age=31536000")
11 		http.ServeFileFS(w, r, staticFs, f)
12 		return nil
13 	}, nil