diff --git a/pkgs/development/python-modules/exchangelib/default.nix b/pkgs/development/python-modules/exchangelib/default.nix
index 9b4078ba47f6..20e3cc1433a4 100644
--- a/pkgs/development/python-modules/exchangelib/default.nix
+++ b/pkgs/development/python-modules/exchangelib/default.nix
@@ -5,7 +5,6 @@
 , defusedxml
 , dnspython
 , fetchFromGitHub
-, fetchpatch
 , flake8
 , isodate
 , lxml
@@ -18,37 +17,34 @@
 , pyyaml
 , requests
 , requests-ntlm
+, requests-gssapi
 , requests-oauthlib
 , requests-kerberos
 , requests-mock
+, setuptools
 , tzdata
 , tzlocal
 }:
 
 buildPythonPackage rec {
   pname = "exchangelib";
-  version = "5.1.0";
-  format = "setuptools";
+  version = "5.2.0";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "ecederstrand";
-    repo = pname;
+    repo = "exchangelib";
     rev = "refs/tags/v${version}";
-    hash = "sha256-WKQgfmEbil55WO3tWVq4n9wiJNw0Op/jbI7xt5vtKpA=";
+    hash = "sha256-q45aYVyp75PUiqYSMSvSFMy3vaclv93QVkjKWVrxWc4=";
   };
 
-  patches = [
-    (fetchpatch {
-      name = "tests-timezones-2.patch";
-      url = "https://github.com/ecederstrand/exchangelib/commit/419eafcd9261bfd0617823ee437204d5556a8271.diff";
-      excludes = [ "tests/test_ewsdatetime.py" ];
-      hash = "sha256-dSp6NkNT5dHOg8XgDi8sR3t3hq46sNtPjUXva2YfFSU=";
-    })
+  build-system = [
+    setuptools
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     cached-property
     defusedxml
     dnspython
@@ -66,6 +62,19 @@ buildPythonPackage rec {
     backports-zoneinfo
   ];
 
+  passthru.optional-dependencies = {
+    complete = [
+      requests-gssapi
+      # requests-negotiate-sspi
+    ];
+    kerberos = [
+      requests-gssapi
+    ];
+    # sspi = [
+    #   requests-negotiate-sspi
+    # ];
+  };
+
   nativeCheckInputs = [
     flake8
     psutil