diff --git a/flakes/manual.toml b/flakes/manual.toml
index 7faa540f..56a9923b 100644
--- a/flakes/manual.toml
+++ b/flakes/manual.toml
@@ -74,6 +74,11 @@ type = "github"
 owner = "fort-nix"
 repo = "nix-bitcoin"
 
+[[sources]]
+type = "github"
+owner = "gmodena"
+repo = "nix-flatpak"
+
 [[sources]]
 type = "github"
 owner = "helix-editor"