diff --git a/flake.nix b/flake.nix
index 1f86575..a5476b5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,7 +6,9 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
-  outputs = { self, nixpkgs, mitel-ommclient2, ... }: {
+  outputs = { self, nixpkgs, mitel-ommclient2, ... }: let
+    fieldpoc_version = "0.11.0";
+  in {
     packages.x86_64-linux = let
       pkgs = import nixpkgs {
         system = "x86_64-linux";
@@ -14,7 +16,7 @@
     in {
       fieldpoc = pkgs.python3Packages.buildPythonPackage {
         pname = "fieldpoc";
-        version = "0.11.0";
+        version = fieldpoc_version;
 
         src = ./.;
 
@@ -106,7 +108,7 @@
 
       docs = pkgs.stdenv.mkDerivation {
         pname = "fieldpoc-docs";
-        version = "0.0.1";
+        version = fieldpoc_version;
 
         src = ./.;