diff --git a/pkgs/development/python-modules/pyqt/default.nix b/pkgs/development/python-modules/pyqt/default.nix
index 820e272dee1..e9d9ee76064 100644
--- a/pkgs/development/python-modules/pyqt/default.nix
+++ b/pkgs/development/python-modules/pyqt/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, python, sip, qt4}:
 
 stdenv.mkDerivation {
-  name = "pyqt-x11-gpl-4.7.3";
+  name = "pyqt-x11-gpl-4.7.4";
   
   src = fetchurl {
-    url = http://www.riverbankcomputing.co.uk/static/Downloads/PyQt4/PyQt-x11-gpl-4.7.3.tar.gz;
-    sha256 = "0p12m2rjsm3igpqqmgn79my2h16vhxq8dma9ih1744hpnirdcjjp";
+    url = http://www.riverbankcomputing.co.uk/static/Downloads/PyQt4/PyQt-x11-gpl-4.7.4.tar.gz;
+    sha256 = "0a7iqzp75hd29rvwhyqfmaj5ymd49wq8scysjkivhc5qkx5rh00r";
   };
   
   configurePhase = "python ./configure.py --confirm-license -b $out/bin -d $out/lib/${python.libPrefix}/site-packages -v $out/share/sip -p $out/plugins";
diff --git a/pkgs/development/python-modules/python-sip/default.nix b/pkgs/development/python-modules/python-sip/default.nix
index c1812bfec22..e2b5496aef8 100644
--- a/pkgs/development/python-modules/python-sip/default.nix
+++ b/pkgs/development/python-modules/python-sip/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, python }:
 
 stdenv.mkDerivation rec {
-  name = "sip-4.10.2";
+  name = "sip-4.10.5";
   
   src = fetchurl {
     url = "http://www.riverbankcomputing.co.uk/static/Downloads/sip4/${name}.tar.gz";
-    sha256 = "1vw810fa3g59r3cnfizxykq7dg84zcgs278cwrksk7rsgz8gdn9q";
+    sha256 = "1hkn2n5hvfcfz0xprwyy5dzjzndgmvlf7abjsd868pv3hxdx1rs8";
   };
   
   configurePhase = "python ./configure.py -d $out/lib/${python.libPrefix}/site-packages -b $out/bin -e $out/include";