diff --git a/pkgs/development/libraries/libvirt/default.nix b/pkgs/development/libraries/libvirt/default.nix
index 1d1945af3194..16a4498f54ca 100644
--- a/pkgs/development/libraries/libvirt/default.nix
+++ b/pkgs/development/libraries/libvirt/default.nix
@@ -6,7 +6,7 @@
 , dnsmasq, libnl, libpcap, libxslt, xhtml1, numad, numactl, perlPackages
 , curl, libiconv, gmp, xen
 }:
-
+# if you update, also bump pythonPackages.libvirt or it will break
 stdenv.mkDerivation rec {
   name = "libvirt-${version}";
   version = "1.3.3";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7bcf655efe69..3d1e2026a823 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -24425,13 +24425,13 @@ in modules // {
   };
 
   libvirt = let
-    version = "1.3.2";
+    version = "1.3.3";
   in assert version == pkgs.libvirt.version; pkgs.stdenv.mkDerivation rec {
     name = "libvirt-python-${version}";
 
     src = pkgs.fetchurl {
       url = "http://libvirt.org/sources/python/${name}.tar.gz";
-      sha256 = "1y0b2sglc6q43pw1sr0by5wx8037kvrp2969p69k6mq1g2gawdbd";
+      sha256 = "0jhf1h4zdysxf5mj769l5ddcbs5j3mzj4sdy8gp4kbj4imwaws5a";
     };
 
     buildInputs = with self; [ python pkgs.pkgconfig pkgs.libvirt lxml ];