diff --git a/pkgs/additional/signal-desktop-from-src/default.nix b/pkgs/additional/signal-desktop-from-src/default.nix
index 0d5c94f4..2e093ed3 100644
--- a/pkgs/additional/signal-desktop-from-src/default.nix
+++ b/pkgs/additional/signal-desktop-from-src/default.nix
@@ -400,8 +400,8 @@ stdenv.mkDerivation rec {
   passthru = {
     # inherit bettersqlitePatch signal-fts5-extension;
     updateScript = gitUpdater {
-      # TODO: prevent update to betas
       rev-prefix = "v";
+      ignoredVersions = "beta";
     };
     nodejs = nodejs';
     buildYarn = buildYarn;