diff --git a/pkgs/tools/package-management/disnix/activation-scripts/default.nix b/pkgs/tools/package-management/disnix/activation-scripts/default.nix
index 4e1442935ee5..8725f5d12508 100644
--- a/pkgs/tools/package-management/disnix/activation-scripts/default.nix
+++ b/pkgs/tools/package-management/disnix/activation-scripts/default.nix
@@ -16,10 +16,10 @@ assert enableSubversionRepository -> subversion != null;
 assert enableEjabberdDump -> ejabberd != null;
 
 stdenv.mkDerivation {
-  name = "disnix-activation-scripts-0.2";
+  name = "disnix-activation-scripts-0.3pre29887";
   src = fetchurl {
-    url = http://hydra.nixos.org/build/910903/download/1/disnix-activation-scripts-0.2.tar.gz;
-    sha256 = "0r7yqvh3jnbvpb6lmr10lm4r5pvi4jaw0c6rhlyl5q6nh3mxymnd";
+    url = http://hydra.nixos.org/build/1461490/download/1/disnix-activation-scripts-0.3pre29887.tar.gz;
+    sha256 = "034mx096iz9dqjsrxh6jkvcwch399gfsahrm6vfnswz9jfvfdcw0";
   };
   
   preConfigure = if enableEjabberdDump then "export PATH=$PATH:${ejabberd}/sbin" else "";
diff --git a/pkgs/tools/package-management/disnix/default.nix b/pkgs/tools/package-management/disnix/default.nix
index fbb19159ef86..631db35a9b01 100644
--- a/pkgs/tools/package-management/disnix/default.nix
+++ b/pkgs/tools/package-management/disnix/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, pkgconfig, dbus_glib, libxml2, libxslt, getopt, nixUnstable, gettext, libiconv}:
 
 stdenv.mkDerivation {
-  name = "disnix-0.3pre27244";
+  name = "disnix-0.3pre29816";
   src = fetchurl {
-    url = http://hydra.nixos.org/build/1083290/download/4/disnix-0.3pre27244.tar.gz;
-    sha256 = "1x7y34mxs26k019y9y8fsnzdk7wmjqfmybw99qgqqxy5kblvlzns";
+    url = http://hydra.nixos.org/build/1453079/download/4/disnix-0.3pre29816.tar.gz;
+    sha256 = "13gi0zs0a8pvgmgh3h431ydran3qf3px5m3d6vddd9b225kbkgwz";
   };
   buildInputs = [ pkgconfig dbus_glib libxml2 libxslt getopt nixUnstable ]
                 ++ stdenv.lib.optional (!stdenv.isLinux) libiconv
diff --git a/pkgs/tools/package-management/disnix/disnixos/default.nix b/pkgs/tools/package-management/disnix/disnixos/default.nix
index 1a7ca5716044..9fe76d810700 100644
--- a/pkgs/tools/package-management/disnix/disnixos/default.nix
+++ b/pkgs/tools/package-management/disnix/disnixos/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, disnix, socat, pkgconfig}:
 
 stdenv.mkDerivation {
-  name = "disnixos-0.2pre27672";
+  name = "disnixos-0.2pre29885";
   src = fetchurl {
-    url = http://hydra.nixos.org/build/1153468/download/3/disnixos-0.2pre27672.tar.gz;
-    sha256 = "0z74p9fnvchvl78brj2p3r9h0wwvpl86zk0ynzqcf8ww0h71ws08";
+    url = http://hydra.nixos.org/build/1461383/download/3/disnixos-0.2pre29885.tar.gz;
+    sha256 = "1lyxpadykk7nbb7gad12mbcsz29c6fqihhv3k3vkh32fimbq7bma";
   };
   buildInputs = [ socat pkgconfig disnix ];
   dontStrip = true;