diff --git a/pkgs/games/ckan/default.nix b/pkgs/games/ckan/default.nix
index a13ff8d66fa..2400f2fb5e8 100644
--- a/pkgs/games/ckan/default.nix
+++ b/pkgs/games/ckan/default.nix
@@ -1,44 +1,34 @@
-{ stdenv, fetchFromGitHub, makeWrapper, perl, mono, gtk2, curl }:
+{ stdenv, fetchurl, makeWrapper, mono, gtk2, curl }:
 
 stdenv.mkDerivation rec {
   pname = "ckan";
-  version = "1.16.1";
+  version = "1.29.2";
 
-  src = fetchFromGitHub {
-    owner = "KSP-CKAN";
-    repo = "CKAN";
-    rev = "v${version}";
-    sha256 = "0lfvl8w09lakz35szp5grfvhq8xx486f5igvj1m6azsql4n929lg";
+  src = fetchurl {
+    url = "https://github.com/KSP-CKAN/CKAN/releases/download/v${version}/ckan.exe";
+    sha256 = "10vd61mw2y7vmbnp6nd7b2sq22ixqd7zmd278z210w4njmvqn97h";
   };
 
-  buildInputs = [ makeWrapper perl mono ];
+  dontUnpack = true;
 
-  postPatch = ''
-    substituteInPlace bin/build \
-      --replace /usr/bin/perl ${perl}/bin/perl
-  '';
-
-  # Tests don't currently work, as they try to write into /var/empty.
-  doCheck = false;
-  checkTarget = "test";
+  buildInputs = [ makeWrapper mono ];
 
   libraries = stdenv.lib.makeLibraryPath [ gtk2 curl ];
 
+  buildPhase = "true";
+
   installPhase = ''
-    mkdir -p $out/bin
-    for exe in *.exe; do
-      install -m 0644 $exe $out/bin
-      makeWrapper ${mono}/bin/mono $out/bin/$(basename $exe .exe) \
-        --add-flags $out/bin/$exe \
-        --set LD_LIBRARY_PATH $libraries
-    done
+    install -m 644 -D $src $out/bin/ckan.exe
+    makeWrapper ${mono}/bin/mono $out/bin/ckan \
+      --add-flags $out/bin/ckan.exe \
+      --set LD_LIBRARY_PATH $libraries
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Mod manager for Kerbal Space Program";
     homepage = "https://github.com/KSP-CKAN/CKAN";
-    license = stdenv.lib.licenses.mit;
-    maintainers = [ stdenv.lib.maintainers.Baughn ];
-    platforms = stdenv.lib.platforms.all;
-  };    
+    license = licenses.mit;
+    maintainers = with maintainers; [ Baughn ymarkus ];
+    platforms = platforms.all;
+  };
 }