diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -10,3 +10,7 @@
 * Added: stack.yaml file
 * opendata.netcetera.com is now on https
 * update bounds for GHC 8.2.2
+
+## 0.2.0.1  -- 2017-12-27
+
+* Added: default.nix file
diff --git a/default.nix b/default.nix
new file mode 100644
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,10 @@
+{ mkDerivation, aeson, base, data-default, stdenv, text, time }:
+mkDerivation {
+  pname = "opench-meteo";
+  version = "0.2.0.0";
+  sha256 = "1h3slv334cx571l1k113qq0fg9ggznp0f0cabrdm7lr1jldn94wy";
+  libraryHaskellDepends = [ aeson base data-default text time ];
+  homepage = "https://github.com/hansroland/opench";
+  description = "A Haskell implementation of the Swiss Meteo Net data API";
+  license = stdenv.lib.licenses.bsd3;
+}
diff --git a/opench-meteo.cabal b/opench-meteo.cabal
--- a/opench-meteo.cabal
+++ b/opench-meteo.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                opench-meteo
-version:             0.2.0.0
+version:             0.2.0.1
 synopsis:            A Haskell implementation of the Swiss Meteo Net data API
 description:         OpenData SMN is a REST API for <http://www.meteoswiss.admin.ch/home/measurement-and-forecasting-systems/land-based-stations/automatisches-messnetz.html SwissMetNet > data.
                      The module Data.Meteo.Swiss contains the main documentation.
@@ -14,7 +14,7 @@
 copyright:           Copyright by Roland Senn           
 category:            Data
 build-type:          Simple
-extra-source-files:  ChangeLog.md
+extra-source-files:  ChangeLog.md, default.nix
 cabal-version:       >=1.10
 
 library