diff --git a/configuration.nix b/configuration.nix
index 9abf34e..aa69a22 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -132,6 +132,7 @@
     update.onActivation = true;
     packages = [
       "com.heroicgameslauncher.hgl"
+      "com.github.tchx84.Flatseal"
     ];
   };