diff --git a/pkgs/applications/misc/merkaartor/default.nix b/pkgs/applications/misc/merkaartor/default.nix
index 6d10cbb8c21f..e6636415b5ef 100644
--- a/pkgs/applications/misc/merkaartor/default.nix
+++ b/pkgs/applications/misc/merkaartor/default.nix
@@ -1,17 +1,17 @@
-{stdenv, fetchurl, qt4, boost}:
+{stdenv, fetchurl, qt4, boost, proj, gdal}:
 
 stdenv.mkDerivation rec {
-  name = "merkaartor-0.17.2";
+  name = "merkaartor-0.18.1";
   src = fetchurl {
-    url = "http://merkaartor.be/attachments/download/253/merkaartor-0.17.2.tar.bz2";
-    sha256 = "0akhp9czzn39132mgj9h38nlh4l9ibzn3vh93bfs685zxyn4yps2";
+    url = "http://merkaartor.be/attachments/download/301/merkaartor-0.18.1.tar.bz2";
+    sha256 = "17qk45pmlxqigla1915dvn9pp91y85d2bkcaap4g3m8mk1crcsix";
   };
 
   configurePhase = ''
     qmake -makefile PREFIX=$out
   '';
 
-  buildInputs = [ qt4 boost ];
+  buildInputs = [ qt4 boost proj gdal ];
 
   meta = {
     description = "An openstreetmap editor";