diff --git a/pkgs/applications/misc/electrum/default.nix b/pkgs/applications/misc/electrum/default.nix
index 97ffd02e7514..2638594d7e54 100644
--- a/pkgs/applications/misc/electrum/default.nix
+++ b/pkgs/applications/misc/electrum/default.nix
@@ -1,21 +1,27 @@
-{ stdenv, fetchurl, buildPythonPackage, slowaes, ecdsa, pyqt4 }:
+{ stdenv, fetchurl, buildPythonPackage, pythonPackages, slowaes }:
 
 buildPythonPackage rec {
   namePrefix = "";
   name = "electrum-${version}";
-  version = "1.9.8";
+  version = "2.0.3";
 
   src = fetchurl {
     url = "https://download.electrum.org/Electrum-${version}.tar.gz";
-    sha256 = "8fc144a32013e4a747fea27fff981762a6b9e14cde9ffb405c4c721975d846ff";
+    sha256 = "1kzrbnkl5jps0kf0420vzpiqjk3v1jxvlrxwhc0f58xbqyc7l4mj";
   };
 
-  buildInputs = [ slowaes ecdsa ];
-
-  propagatedBuildInputs = [
-    slowaes
+  propagatedBuildInputs = with pythonPackages; [
+    dns
     ecdsa
+    pbkdf2
+    protobuf
+    pyasn1
+    pyasn1-modules
     pyqt4
+    qrcode
+    requests
+    slowaes
+    tlslite
   ];
 
   postPatch = ''
@@ -28,6 +34,6 @@ buildPythonPackage rec {
     long-description = "Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase that you can write on paper or learn by heart. There is no waiting time when you start the client, because it does not download the Bitcoin blockchain.";
     homepage = "https://electrum.org";
     license = stdenv.lib.licenses.gpl3;
-    maintainers = [ "emery@vfemail.net" ];
+    maintainers = [ "emery@vfemail.net" stdenv.lib.maintainers.joachifm ];
   };
 }
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index fa16501e892f..200e617e1010 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7936,6 +7936,25 @@ let
     };
   });
 
+  pyasn1-modules = buildPythonPackage rec {
+    name = "pyasn1-modules-${version}";
+    version = "0.0.5";
+    disabled = isPyPy;
+
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/p/pyasn1-modules/${name}.tar.gz";
+      sha256 = "0hcr6klrzmw4d9j9s5wrhqva5014735pg4zk3rppac4fs87g0rdy";
+    };
+
+    propagatedBuildInputs = with self; [ pyasn1 ];
+
+    meta = {
+      description = "A collection of ASN.1-based protocols modules";
+      homepage = https://pypi.python.org/pypi/pyasn1-modules;
+      license = stdenv.lib.licenses.bsd3;
+      platforms = stdenv.lib.platforms.unix;  # same as pyasn1
+    };
+  };
 
   pyaudio = pkgs.stdenv.mkDerivation rec {
     name = "python-pyaudio-${version}";
@@ -11113,6 +11132,40 @@ let
     };
   };
 
+  tlslite = buildPythonPackage rec {
+    name = "tlslite-${version}";
+    version = "0.4.8";
+
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/t/tlslite/${name}.tar.gz";
+      sha256 = "1fxx6d3nw5r1hqna1h2jvqhcygn9fyshlm0gh3gp0b1ji824gd6r";
+    };
+
+    meta = {
+      description = "A pure Python implementation of SSL and TLS";
+      homepage = https://pypi.python.org/pypi/tlslite;
+      license = stdenv.lib.licenses.bsd3;
+    };
+  };
+
+  qrcode = buildPythonPackage rec {
+    name = "qrcode-${version}";
+    version = "5.1";
+
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/q/qrcode/${name}.tar.gz";
+      sha256 = "0skzrvhjnnacrz52jml4i050vdx5lfcd3np172srxjaghdgfxg9k";
+    };
+
+    propagatedBuildInputs = with self; [ six ];
+
+    meta = {
+      description = "Quick Response code generation for Python";
+      home = "https://pypi.python.org/pypi/qrcode";
+      license = stdenv.lib.licenses.bsd3;
+    };
+  };
+
   tmdb3 = buildPythonPackage rec {
     name = "tmdb3-${version}";
     version = "0.6.17";