diff --git a/pkgs/tools/archivers/unshield/default.nix b/pkgs/tools/archivers/unshield/default.nix
new file mode 100644
index 000000000000..873c90cf036d
--- /dev/null
+++ b/pkgs/tools/archivers/unshield/default.nix
@@ -0,0 +1,10 @@
+{stdenv, fetchurl, zlib}:
+
+stdenv.mkDerivation {
+  name = "unshield-0.5";
+  src = fetchurl {
+    url = http://heanet.dl.sourceforge.net/sourceforge/synce/unshield-0.5.tar.gz;
+    sha256 = "1apdj4qphf6m21lqj9l8sg8rpn85qkp5592w5np9xbhr8776cg3p";
+  };
+  configureFlags = "--with-zlib=${zlib}";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1f815fe93041..9ca96dbdd7f3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -542,6 +542,10 @@ rec {
     inherit (xlibs) imake;
   };
 
+  unshield = import ../tools/archivers/unshield {
+    inherit fetchurl stdenv zlib;
+  };
+
   unzip = import ../tools/archivers/unzip {
     inherit fetchurl stdenv;
   };