diff --git a/pkgs/tools/security/gnupg1/default.nix b/pkgs/tools/security/gnupg1/default.nix
index 0674fc4e4803..b3bf309b48e1 100644
--- a/pkgs/tools/security/gnupg1/default.nix
+++ b/pkgs/tools/security/gnupg1/default.nix
@@ -15,11 +15,11 @@ let
 in
 
 stdenv.mkDerivation rec {
-  name = "gnupg-1.4.11";
+  name = "gnupg-1.4.12";
 
   src = fetchurl {
     url = "mirror://gnupg/gnupg/${name}.tar.bz2";
-    sha256 = "1xkfxr4z2fy9d5d6hj4lzv854lk227kgv6qb2w0sam752snfx36i";
+    sha1 = "9b78e20328d35525af7b8a9c1cf081396910e937";
   };
 
   buildInputs = [ readline bzip2 ];