diff --git a/pkgs/by-name/si/sidequest/package.nix b/pkgs/by-name/si/sidequest/package.nix
index 810be2a266e1..74d69551017b 100644
--- a/pkgs/by-name/si/sidequest/package.nix
+++ b/pkgs/by-name/si/sidequest/package.nix
@@ -151,5 +151,8 @@ buildFHSEnv {
     ];
     platforms = [ "x86_64-linux" ];
     mainProgram = "sidequest";
+    knownVulnerabilities = [
+      "Uses EOL Electron 29, many known CVEs."
+    ];
   };
 }