diff --git a/pkgs/development/python-modules/minikerberos/default.nix b/pkgs/development/python-modules/minikerberos/default.nix
index 4b75006bea4..a6e9fd68c2b 100644
--- a/pkgs/development/python-modules/minikerberos/default.nix
+++ b/pkgs/development/python-modules/minikerberos/default.nix
@@ -5,24 +5,26 @@
 , fetchPypi
 , oscrypto
 , pythonOlder
+, unicrypto
 }:
 
 buildPythonPackage rec {
   pname = "minikerberos";
-  version = "0.2.18";
+  version = "0.2.20";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-5bmuCbX4a69sP9SnHkB4OQrOHmFufUTlchHkgu6iBYk=";
+    hash = "sha256-eJ+AImP6GIL3AbEj9u7ASLRc1zG/G1KIcABdrwdAIEc=";
   };
 
   propagatedBuildInputs = [
     asn1crypto
     asysocks
     oscrypto
+    unicrypto
   ];
 
   # no tests are published: https://github.com/skelsec/minikerberos/pull/5