diff --git a/pkgs/default.nix b/pkgs/default.nix
index 8f26365..9230539 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -19,5 +19,12 @@
 
       doCheck = false;
     });
+    signal-desktop = super.signal-desktop.overrideAttrs (_finalAttrs: _previousAttrs: {
+      version = "6.29.1";
+      src = super.fetchurl {
+        url = "https://updates.signal.org/desktop/apt/pool/s/signal-desktop/signal-desktop_6.29.1_amd64.deb";
+        hash = "sha256-QtQVH8cs42vwzJNiq6klaSQO2pmB80OYjzAR4Bibb/s";
+      };
+    });
   })
 ]