diff --git a/pkgs/development/python-modules/pyqt/5.x.nix b/pkgs/development/python-modules/pyqt/5.x.nix
index 5d98544da88..9b3700bcd2a 100644
--- a/pkgs/development/python-modules/pyqt/5.x.nix
+++ b/pkgs/development/python-modules/pyqt/5.x.nix
@@ -2,7 +2,7 @@
 , lndir, makeWrapper, qmake }:
 
 let
-  version = "5.8.1";
+  version = "5.9";
   inherit (pythonPackages) buildPythonPackage python dbus-python sip;
 in buildPythonPackage {
   name = "PyQt-${version}";
@@ -18,7 +18,7 @@ in buildPythonPackage {
 
   src = fetchurl {
     url = "mirror://sourceforge/pyqt/PyQt5/PyQt-${version}/PyQt5_gpl-${version}.tar.gz";
-    sha256 = "0biak7l574i2gc8lj1s45skajbxsmmx66nlvs6xaakzkc6r293qy";
+    sha256 = "15hh4z5vd45dcswjla58q6rrfr6ic7jfz2n7c8lwfb10rycpj3mb";
   };
 
   nativeBuildInputs = [ pkgconfig makeWrapper qmake ];
diff --git a/pkgs/development/python-modules/sip/default.nix b/pkgs/development/python-modules/sip/default.nix
index b6094f37c3a..af885fcf5a2 100644
--- a/pkgs/development/python-modules/sip/default.nix
+++ b/pkgs/development/python-modules/sip/default.nix
@@ -2,13 +2,13 @@
 
 if isPyPy then throw "sip not supported for interpreter ${python.executable}" else buildPythonPackage rec {
   pname = "sip";
-  version = "4.19.1";
+  version = "4.19.3";
   name = "${pname}-${version}";
   format = "other";
 
   src = fetchurl {
     url = "mirror://sourceforge/pyqt/sip/${name}/${name}.tar.gz";
-    sha256 = "501852b8325349031b769d1c03d6eab04f7b9b97f790ec79f3d3d04bf065d83e";
+    sha256 = "0x2bghbprwl3az1ni3p87i0bq8r99694la93kg65vi0cz12gh3bl";
   };
 
   configurePhase = ''