diff --git a/pkgs/development/python-modules/sepaxml/default.nix b/pkgs/development/python-modules/sepaxml/default.nix
index 6e6809663a6e..1790ae2e8f5d 100644
--- a/pkgs/development/python-modules/sepaxml/default.nix
+++ b/pkgs/development/python-modules/sepaxml/default.nix
@@ -6,7 +6,7 @@
 }:
 
 buildPythonPackage rec {
-  version = "2.1.0";
+  version = "2.2.0";
   pname = "sepaxml";
   disabled = isPy27;
 
@@ -14,7 +14,7 @@ buildPythonPackage rec {
     owner = "raphaelm";
     repo = "python-sepaxml";
     rev = version;
-    sha256 = "0lkb0nnyxmwvm6gkwls8w2290b66lwz9bv8p39wwcn7flabviwhj";
+    sha256 = "1qmgdcz61hs65m2fddwn9jpyk2sxifdb0f3jz1n0lgy774z0pmas";
   };
 
   propagatedBuildInputs = [