diff --git a/pkgs/servers/mqtt/mosquitto/default.nix b/pkgs/servers/mqtt/mosquitto/default.nix
index 05ce1105d18d..9e251e1bc224 100644
--- a/pkgs/servers/mqtt/mosquitto/default.nix
+++ b/pkgs/servers/mqtt/mosquitto/default.nix
@@ -1,16 +1,28 @@
-{ stdenv, lib, fetchFromGitHub, cmake, docbook_xsl, libxslt
-, openssl, libuuid, libwebsockets_3_1, c-ares, libuv
-, systemd ? null, withSystemd ? stdenv.isLinux }:
+{ stdenv
+, lib
+, fetchFromGitHub
+, cmake
+, docbook_xsl
+, libxslt
+, c-ares
+, cjson
+, libuuid
+, libuv
+, libwebsockets_3_1
+, openssl
+, withSystemd ? stdenv.isLinux
+, systemd
+}:
 
 stdenv.mkDerivation rec {
   pname = "mosquitto";
-  version = "1.6.12";
+  version = "2.0.10";
 
   src = fetchFromGitHub {
-    owner  = "eclipse";
-    repo   = "mosquitto";
-    rev    = "v${version}";
-    sha256 = "0y9jna2p7wg57vv2g6ls1dj6w89vaw828y9z1wb3vwz1yhvs35s8";
+    owner = "eclipse";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "144vw7b9ja4lci4mplbxs048x9aixd9c3s7rg6wc1k31w099rb12";
   };
 
   postPatch = ''
@@ -19,29 +31,30 @@ stdenv.mkDerivation rec {
         --replace http://docbook.sourceforge.net/release/xsl/current ${docbook_xsl}/share/xml/docbook-xsl
     done
 
-    for f in {lib,lib/cpp,src}/CMakeLists.txt ; do
-      substituteInPlace $f --replace /sbin/ldconfig true
-    done
-
     # the manpages are not generated when using cmake
     pushd man
     make
     popd
   '';
 
-  buildInputs = [
-    openssl libuuid libwebsockets_3_1 c-ares libuv
-  ] ++ lib.optional withSystemd systemd;
-
   nativeBuildInputs = [ cmake docbook_xsl libxslt ];
 
+  buildInputs = [
+    c-ares
+    cjson
+    libuuid
+    libuv
+    libwebsockets_3_1
+    openssl
+  ] ++ lib.optional withSystemd systemd;
+
   cmakeFlags = [
     "-DWITH_THREADING=ON"
     "-DWITH_WEBSOCKETS=ON"
   ] ++ lib.optional withSystemd "-DWITH_SYSTEMD=ON";
 
   meta = with lib; {
-    description = "An open source MQTT v3.1/3.1.1 broker";
+    description = "An open source MQTT v3.1/3.1.1/5.0 broker";
     homepage = "https://mosquitto.org/";
     license = licenses.epl10;
     maintainers = with maintainers; [ peterhoeg ];