diff --git a/pkgs/applications/misc/electrum/default.nix b/pkgs/applications/misc/electrum/default.nix
index db6b6f2e1813..ad26a912e781 100644
--- a/pkgs/applications/misc/electrum/default.nix
+++ b/pkgs/applications/misc/electrum/default.nix
@@ -19,7 +19,7 @@
 }:
 
 let
-  version = "4.0.2";
+  version = "4.0.3";
 
   # electrum is not compatible with dnspython 2.0.0 yet
   # use the latest 1.x release instead
@@ -43,7 +43,7 @@ let
     owner = "spesmilo";
     repo = "electrum";
     rev = version;
-    sha256 = "1xpkbard994n1gwl95b558x69k1m1m258bc220nxrajg1pywh90f";
+    sha256 = "1r40i0v7nm35m3pzbd0l5z4qphl13s31l9v5njmyvpfjirdmhjbv";
 
     extraPostFetch = ''
       mv $out ./all
@@ -58,7 +58,7 @@ py.pkgs.buildPythonApplication {
 
   src = fetchurl {
     url = "https://download.electrum.org/${version}/Electrum-${version}.tar.gz";
-    sha256 = "05ibrr6ysf6fncs1pimhxvyr7d659jwj2r2a9pdd3cmn1dxzy2w1";
+    sha256 = "0q891fgzxvyzjxfczynx92hvclfs8i3nr5nr9sgbvz13hsg4s6lg";
   };
 
   postUnpack = ''
@@ -80,13 +80,11 @@ py.pkgs.buildPythonApplication {
     matplotlib
     pbkdf2
     protobuf
-    pyaes
     pycryptodomex
     pysocks
     qrcode
     requests
     tlslite-ng
-
     # plugins
     ckcc-protocol
     keepkey
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 538559bb407c..c32428284d9c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -20136,7 +20136,7 @@ in
 
   electron-cash = libsForQt514.callPackage ../applications/misc/electron-cash { };
 
-  electrum = libsForQt514.callPackage ../applications/misc/electrum { };
+  electrum = libsForQt5.callPackage ../applications/misc/electrum { };
 
   electrum-dash = callPackage ../applications/misc/electrum/dash.nix { };