diff --git a/pkgs/desktops/pantheon/apps/elementary-mail/default.nix b/pkgs/desktops/pantheon/apps/elementary-mail/default.nix
index 58be49ab4bef..2963f98db40b 100644
--- a/pkgs/desktops/pantheon/apps/elementary-mail/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-mail/default.nix
@@ -1,7 +1,6 @@
 { lib
 , stdenv
 , fetchFromGitHub
-, fetchpatch
 , nix-update-script
 , pkg-config
 , meson
@@ -26,24 +25,15 @@
 
 stdenv.mkDerivation rec {
   pname = "elementary-mail";
-  version = "6.3.1";
+  version = "6.4.0";
 
   src = fetchFromGitHub {
     owner = "elementary";
     repo = "mail";
     rev = version;
-    sha256 = "sha256-wOu9jvvwG53vzcNa38nk4eREZWW7Cin8el4qApQ8gI8=";
+    sha256 = "sha256-ooqVNMgeAqGlFcfachPPfhSiKTEEcNGv5oWdM7VLWOc=";
   };
 
-  patches = [
-    # Fix build with meson 0.61
-    # https://github.com/elementary/mail/pull/751
-    (fetchpatch {
-      url = "https://github.com/elementary/mail/commit/bbadc56529276d8e0ff98e9df7d9bb1bf8fc5783.patch";
-      sha256 = "sha256-lJEnX5/G6e8PdKy1XGlwFIoCeSy6SR5p68tS4noj+44=";
-    })
-  ];
-
   nativeBuildInputs = [
     appstream
     desktop-file-utils