diff --git a/pkgs/development/python-modules/zodbpickle/default.nix b/pkgs/development/python-modules/zodbpickle/default.nix
index 53dd8680c31..108f5395ece 100644
--- a/pkgs/development/python-modules/zodbpickle/default.nix
+++ b/pkgs/development/python-modules/zodbpickle/default.nix
@@ -5,13 +5,13 @@
 
 buildPythonPackage rec {
   pname = "zodbpickle";
-  version = "0.7.0";
+  version = "1.0";
   name = "${pname}-${version}";
   disabled = isPyPy; # https://github.com/zopefoundation/zodbpickle/issues/10
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "95a247fb17bce980af8d548af70ac5bd1bad22773f242eb8efa24428efa909a8";
+    sha256 = "3af9169fb1d5901cf6693ab356b0dfda20ad2cacc5673fad59b4449ed50d5399";
   };
 
   # fails..