diff --git a/pkgs/by-name/el/electron-mail/package.nix b/pkgs/by-name/el/electron-mail/package.nix
index c394024677f8..793d7bf2064e 100644
--- a/pkgs/by-name/el/electron-mail/package.nix
+++ b/pkgs/by-name/el/electron-mail/package.nix
@@ -5,21 +5,21 @@
   nix-update-script,
   stdenvNoCC,
   makeWrapper,
-  undmg,
+  _7zz,
 }:
 
 let
   pname = "electron-mail";
-  version = "5.3.8";
+  version = "5.3.9";
 
   sources = {
     x86_64-linux = fetchurl {
       url = "https://github.com/vladimiry/ElectronMail/releases/download/v${version}/electron-mail-${version}-linux-x86_64.AppImage";
-      hash = "sha256-twqB1D3zLlZJuxQWD4dGF70w57yYv6i3abGBidERsss=";
+      hash = "sha256-hZxcodnfQ4iyLaXE04QgIjOJs+3NJ7Ukckk71DqnRy0=";
     };
     aarch64-darwin = fetchurl {
       url = "https://github.com/vladimiry/ElectronMail/releases/download/v${version}/electron-mail-${version}-mac-arm64.dmg";
-      hash = "sha256-V32Wi0oCU9dLfzqxg3OdseiILX7wPiBGNz7KuG0vlZY=";
+      hash = "sha256-2CRUEif7UMsZgDWw3HiUEip68wXd0AUPPHdo712ZnYc=";
     };
   };
 
@@ -78,7 +78,7 @@ let
 
     sourceRoot = ".";
     nativeBuildInputs = [
-      undmg
+      _7zz
       makeWrapper
     ];