diff --git a/nixos/doc/manual/release-notes/rl-2103.xml b/nixos/doc/manual/release-notes/rl-2103.xml
index 9a15eec168c2..8c804ce0470d 100644
--- a/nixos/doc/manual/release-notes/rl-2103.xml
+++ b/nixos/doc/manual/release-notes/rl-2103.xml
@@ -136,6 +136,13 @@
     <package>stanchion</package> package removed along with <varname>services.stanchion</varname> module.
     </para>
    </listitem>
+   <listitem>
+    <para>
+     <package>mutt</package> has been updated to a new major version (2.x), which comes with
+     some backward incompatible changes that are described in the
+     <link xlink:href="http://www.mutt.org/relnotes/2.0/">release notes for Mutt 2.0</link>.
+    </para>
+   </listitem>
   </itemizedlist>
  </section>
 
diff --git a/pkgs/applications/networking/mailreaders/mutt/default.nix b/pkgs/applications/networking/mailreaders/mutt/default.nix
index 0b18a579e3bc..49a4790f8a83 100644
--- a/pkgs/applications/networking/mailreaders/mutt/default.nix
+++ b/pkgs/applications/networking/mailreaders/mutt/default.nix
@@ -27,11 +27,11 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   pname = "mutt";
-  version = "1.14.7";
+  version = "2.0.0";
 
   src = fetchurl {
     url = "http://ftp.mutt.org/pub/mutt/${pname}-${version}.tar.gz";
-    sha256 = "0r58xnjgkw0kmnnzhb32mk5gkkani5kbi5krybpbag156fqhgxg4";
+    sha256 = "1bxf8976mrl3vbn3s5i32i1lf908yag5rsf84n76dllmly61794k";
   };
 
   patches = optional smimeSupport (fetchpatch {