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