diff --git a/pkgs/development/python-modules/dkimpy/default.nix b/pkgs/development/python-modules/dkimpy/default.nix
index 7ce8877bbce..fbd94900212 100644
--- a/pkgs/development/python-modules/dkimpy/default.nix
+++ b/pkgs/development/python-modules/dkimpy/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "dkimpy";
-  version = "0.8.1";
+  version = "0.9.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "125xakqg2j5jp4k5kafpnpazh9d97ysgayrsgpvm3nkdj4g8hw1j";
+    sha256 = "1cfj2jsfqbwkrg9y5inz61wxf8z4rrs5js6dizjgsd4lyb3b5inj";
 };
 
   checkInputs = [ pytest ];