diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index 7418c4785e90..f5ee50a73522 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -1,10 +1,9 @@
-{ stdenv, fetchurl, pythonPackages, pkgconfig, qtbase, qtsvg, qtwebkit
+{ stdenv, fetchurl, pythonPackages, pkgconfig, qtbase, qtsvg, qtwebkit, dbus_libs
 , lndir, makeWrapper, qmakeHook }:
 
 let
-  version = "5.5.1";
-  inherit (pythonPackages) python dbus-python;
-  sip = pythonPackages.sip_4_16;
+  version = "5.6";
+  inherit (pythonPackages) python dbus-python sip;
 in stdenv.mkDerivation {
   name = "${python.libPrefix}-PyQt-${version}";
 
@@ -17,13 +16,13 @@ in stdenv.mkDerivation {
   };
 
   src = fetchurl {
-    url = "mirror://sourceforge/pyqt/PyQt5/PyQt-${version}/PyQt-gpl-${version}.tar.gz";
-    sha256 = "11l3pm0wkwkxzw4n3022iid3yyia5ap4l0ny1m5ngkzzzfafyw0a";
+    url = "mirror://sourceforge/pyqt/PyQt5/PyQt-${version}/PyQt5_gpl-${version}.tar.gz";
+    sha256 = "1qgh42zsr9jppl9k7fcdbhxcd1wrb7wyaj9lng9nxfa19in1lj1f";
   };
 
   buildInputs = [
     pkgconfig makeWrapper lndir
-    qtbase qtsvg qtwebkit qmakeHook
+    qtbase qtsvg qtwebkit dbus_libs qmakeHook
   ];
 
   propagatedBuildInputs = [ sip python ];
@@ -42,12 +41,13 @@ in stdenv.mkDerivation {
 
     ${python.executable} configure.py  -w \
       --confirm-license \
-      --dbus=$out/include/dbus-1.0 \
+      --dbus=${dbus_libs.dev}/include/dbus-1.0 \
       --qmake=$QMAKE \
       --no-qml-plugin \
       --bindir=$out/bin \
-      --destdir=$out/lib/${python.libPrefix}/site-packages \
-      --sipdir=$out/share/sip \
+      --destdir=$out/${python.sitePackages} \
+      --stubsdir=$out/${python.sitePackages}/PyQt5 \
+      --sipdir=$out/share/sip/PyQt5 \
       --designer-plugindir=$out/plugins/designer
 
     runHook postConfigure
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 269db2d555d7..b770cd2eef6e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -268,7 +268,7 @@ in modules // {
     pythonPackages = self;
   };
 
-  pyqt5 = pkgs.qt55.callPackage ../development/python-modules/pyqt/5.x.nix {
+  pyqt5 = pkgs.qt5.callPackage ../development/python-modules/pyqt/5.x.nix {
     pythonPackages = self;
   };