diff --git a/release.nix b/release.nix
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--- /dev/null
+++ b/release.nix
@@ -0,0 +1,88 @@
+# To build this repository with `nix` you run:
+#
+#     $ nix-build release.nix -I ssh-config-file=/path/to/ssh/config
+#
+# ... where the `ssh-config-file` is an SSH configuration file with enough
+# information to authenticate (i.e. an `IdentityFile` readable by the user that
+# builds this expression, for example).
+#
+# If you update the `.cabal` file (such as changing dependencies or adding new
+# library/executable/test/benchmark sections), then update the `default.nix`
+# expression by running:
+#
+#     $ cabal2nix . > default.nix
+#
+# If you want to update a dependency like `proto3-wire` to the latest git
+# revision, then run:
+#
+#     $ nix-prefetch-git https://github.com/awakenetworks/proto3-wire.git
+#
+# ... and modify the `rev` and `sha256` fields of the corresponding `fetchgit`
+# expression below using the output of the `nix-prefetch-git` command.
+#
+# If you want to test a local `proto3-wire` repository, then replace the
+# `fetchgit { ... }` expression with the relative path to the source repository
+# such as:
+#
+#     let proto3-wire-src = ../proto3-wire;
+#     in
+#     ...
+
+let
+  config = {
+    packageOverrides = pkgs: rec {
+      grpc = pkgs.stdenv.mkDerivation rec {
+        name    = "grpc-${version}";
+        version = "0.14-${pkgs.lib.strings.substring 0 7 rev}";
+        rev     = "2b223977c13975648bac2f422363e1ebf83506ce";
+        src = pkgs.fetchgit {
+          inherit rev;
+          url    = "https://github.com/grpc/grpc.git";
+          sha256 = "0arxjdczgj6rbg14f6x24863mrz0xgpakmdfg54zp0xp7h2pghm6";
+        };
+        preInstall  = "export prefix";
+        buildInputs =
+          (if pkgs.stdenv.isDarwin then [ pkgs.darwin.cctools ] else []) ++ [
+          pkgs.autoconf
+          pkgs.automake
+          pkgs.libtool
+          pkgs.which
+          pkgs.zlib
+          pkgs.openssl
+        ];
+      };
+
+      haskellPackages = pkgs.haskell.packages.ghc7103.override {
+        overrides = haskellPackagesNew: haskellPackagesOld: {
+          proto3-wire =
+            let proto3-wire-src = pkgs.fetchgit {
+              url    = "https://github.com/awakenetworks/proto3-wire.git";
+              rev    = "b5151914873b9ede230094e742953b5062566244";
+              sha256 = "09vjza18gnh5mf9l8vg3ka1c7rqfbjwviyjwpvam07hf90r0yg5b";
+            };
+            in
+            haskellPackagesNew.callPackage proto3-wire-src { };
+
+          protobuf-wire =
+            let protobuf-wire-src = pkgs.fetchgitPrivate {
+              url    = "git@github.mv.awakenetworks.net:awakenetworks/protobuf-wire.git";
+              rev    = "c766074e3e5da9bcca1e5a5fc069983d8fbc97b3";
+              sha256 = "0mlpfzvnzfblq7a265q4b61xkn30ndvqp8qjshbrx7kvyjxjlvnn";
+            };
+            in
+            haskellPackagesNew.callPackage protobuf-wire-src { };
+
+          grpc-haskell =
+            haskellPackagesNew.callPackage ./default.nix { };
+        };
+      };
+    };
+
+    allowUnfree = true;
+  };
+
+in
+{ pkgs ? import <nixpkgs> { inherit config; } }:
+# Disable tests for now, since they don't pass yet
+{ grpc-haskell = pkgs.haskell.lib.dontCheck pkgs.haskellPackages.grpc-haskell;
+}