diff --git a/flakes/manual.toml b/flakes/manual.toml
index 085d8ba..0d92df8 100644
--- a/flakes/manual.toml
+++ b/flakes/manual.toml
@@ -98,3 +98,8 @@ url = "git+https://codeberg.org/wolfangaukang/python-trovo?ref=main"
 [[sources]]
 type = "git"
 url = "git+https://codeberg.org/wolfangaukang/multifirefox?ref=main"
+
+[[sources]]
+type = "github"
+owner = "juliosueiras-nix"
+repo = "nix-security"