diff --git a/deps.nix b/deps.nix
index 1c5b7ec3..46d7783c 100644
--- a/deps.nix
+++ b/deps.nix
@@ -2,6 +2,21 @@
 
 with pkgs;
 
+let
+
+  nixPerl = buildPerlPackage {
+    name = "Nix-0.15";
+    src = fetchsvn {
+      url = https://svn.nixos.org/repos/nix/nix-perl/trunk;
+      rev = 20373;
+      sha256 = "153wj8kcdf9hzg89bjm8s8d6byrhcw0dazzrwc04a7g79j5xjfaj";
+    };
+    NIX_PREFIX = nixSqlite;
+    doCheck = false; # tests currently don't work
+  };
+
+in
+
 [ perlPackages.CatalystDevel
   perlPackages.CatalystPluginSessionStoreFastMmap
   perlPackages.CatalystPluginStackTrace
@@ -20,5 +35,5 @@ with pkgs;
   perlPackages.NetTwitterLite
   perlPackages.PadWalker
   perlPackages.DataDump
+  nixPerl
 ]
-
diff --git a/release.nix b/release.nix
index 22ca2cfb..4a8f7ff3 100644
--- a/release.nix
+++ b/release.nix
@@ -6,7 +6,7 @@ let
 
     tarball =
       { hydraSrc ? {outPath = ./.; rev = 1234;}
-      , nixpkgs ? ../../nixpkgs
+      , nixpkgs ? ../nixpkgs
       , officialRelease ? false
       }:
 
@@ -59,15 +59,15 @@ let
 
     build = 
       { tarball ? jobs.tarball {}
-      , nixpkgs ? ../../nixpkgs
-      , system ? "i686-linux"
+      , nixpkgs ? ../nixpkgs
+      , system ? "x86_64-linux"
       }:
 
       let pkgs = import nixpkgs {inherit system;}; in
       
       with pkgs;
 
-      let nix = nixUnstable; in
+      let nix = nixSqlite; in
 
       stdenv.mkDerivation {
         name = "hydra" + (if tarball ? version then "-" + tarball.version else "");