diff --git a/pkgs/development/python-modules/zodbpickle/default.nix b/pkgs/development/python-modules/zodbpickle/default.nix
index 1e577fc487c..b24b5853876 100644
--- a/pkgs/development/python-modules/zodbpickle/default.nix
+++ b/pkgs/development/python-modules/zodbpickle/default.nix
@@ -5,12 +5,12 @@
 
 buildPythonPackage rec {
   pname = "zodbpickle";
-  version = "1.0.4";
+  version = "2.0.0";
   disabled = isPyPy; # https://github.com/zopefoundation/zodbpickle/issues/10
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0n4hng2zil1j8sbz0b83pxx8ndlh34h2mnmli3bqjmnrbry5zlr5";
+    sha256 = "0fb7c7pnz86pcs6qqwlyw72vnijc04ns2h1zfrm0h7yl8q7r7ng0";
   };
 
   # fails..