diff --git a/pkgs/tools/backup/obnam/default.nix b/pkgs/tools/backup/obnam/default.nix
index ef7299966a7..06c44aa2cd9 100644
--- a/pkgs/tools/backup/obnam/default.nix
+++ b/pkgs/tools/backup/obnam/default.nix
@@ -2,11 +2,11 @@
 
 pythonPackages.buildPythonApplication rec {
   name = "obnam-${version}";
-  version = "1.20.2";
+  version = "1.21";
 
   src = fetchurl rec {
     url = "http://code.liw.fi/debian/pool/main/o/obnam/obnam_${version}.orig.tar.xz";
-    sha256 = "0r8gngjir9pinj5vp2aq326g74wnhv075n8y9i0hgc5cfvckjjmq";
+    sha256 = "0qlipsq50hca71zc0dp1mg9zs12qm0sbblw7qfzl0hj6mk2rv1by";
   };
 
   buildInputs = [ pythonPackages.sphinx attr ];
@@ -15,7 +15,7 @@ pythonPackages.buildPythonApplication rec {
   doCheck = false;
 
   meta = {
-    homepage = http://liw.fi/obnam/;
+    homepage = http://obnam.org;
     description = "Backup program supporting deduplication, compression and encryption";
     maintainers = [ stdenv.lib.maintainers.rickynils ];
     platforms = stdenv.lib.platforms.linux;