diff --git a/pkgs/tools/backup/obnam/default.nix b/pkgs/tools/backup/obnam/default.nix
index f6a51eb3193..854801a3edd 100644
--- a/pkgs/tools/backup/obnam/default.nix
+++ b/pkgs/tools/backup/obnam/default.nix
@@ -2,13 +2,13 @@
 
 pythonPackages.buildPythonPackage rec {
   name = "obnam-${version}";
-  version = "1.6";
+  version = "1.6.1";
 
   namePrefix = "";
 
   src = fetchurl rec {
     url = "http://code.liw.fi/debian/pool/main/o/obnam/obnam_${version}.orig.tar.gz";
-    sha256 = "1vg0kppbyngvm7wi2pbg3himixy9v3h8z66lcps6pclw43s1kgpm";
+    sha256 = "0415njniqpy3xhvibpm82i9alrp2fw3lsnm15h7vqkkvgp8s5g39";
   };
 
   buildInputs = [ pythonPackages.sphinx attr ];