diff --git a/pkgs/by-name/ry/ryujinx/package.nix b/pkgs/by-name/ry/ryujinx/package.nix
index 6e698c3314f05..2c816e3d85cad 100644
--- a/pkgs/by-name/ry/ryujinx/package.nix
+++ b/pkgs/by-name/ry/ryujinx/package.nix
@@ -123,5 +123,8 @@ buildDotnetModule rec {
     maintainers = with maintainers; [ jk artemist ];
     platforms = [ "x86_64-linux" "aarch64-linux" ];
     mainProgram = "Ryujinx";
+    knownVulnerabilities = [
+      "Ryujinx is no longer actively developed / maintained by upstream, as it has been taken down."
+    ];
   };
 }