diff --git a/pkgs/development/python-modules/pysaml2/default.nix b/pkgs/development/python-modules/pysaml2/default.nix
index 3cd65c271e9a..b8ace412614c 100644
--- a/pkgs/development/python-modules/pysaml2/default.nix
+++ b/pkgs/development/python-modules/pysaml2/default.nix
@@ -3,7 +3,6 @@
 , cryptography
 , defusedxml
 , fetchFromGitHub
-, fetchPypi
 , importlib-resources
 , poetry-core
 , pyasn1
@@ -21,18 +20,9 @@
 , xmlsec
 }:
 
-let
-  pymongo3 = pymongo.overridePythonAttrs(old: rec {
-    version = "3.12.3";
-    src = fetchPypi {
-      pname = "pymongo";
-      inherit version;
-      hash = "sha256-ConK3ABipeU2ZN3gQ/bAlxcrjBxfAJRJAJUoL/mZWl8=";
-    };
-  });
-in buildPythonPackage rec {
+buildPythonPackage rec {
   pname = "pysaml2";
-  version = "7.4.1";
+  version = "7.4.2";
   format = "pyproject";
 
   disabled = pythonOlder "3.9";
@@ -40,10 +30,22 @@ in buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "IdentityPython";
     repo = pname;
-    rev = "v${version}";
-    hash = "sha256-QHAbm6u5oH3O7MEVFE+sW98raquv89KJ8gonk3Yyu/0=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-f8qd1Mfy32CYH9/PshfMMBviDg7OhOPlwz69bPjlYbg=";
   };
 
+  patches = [
+    (substituteAll {
+      src = ./hardcode-xmlsec1-path.patch;
+      inherit xmlsec;
+    })
+  ];
+
+  postPatch = ''
+    # Fix failing tests on systems with 32bit time_t
+    sed -i 's/2999\(-.*T\)/2029\1/g' tests/*.xml
+  '';
+
   nativeBuildInputs = [
     poetry-core
   ];
@@ -63,23 +65,11 @@ in buildPythonPackage rec {
 
   nativeCheckInputs = [
     pyasn1
-    pymongo3
+    pymongo
     pytestCheckHook
     responses
   ];
 
-  patches = [
-    (substituteAll {
-      src = ./hardcode-xmlsec1-path.patch;
-      inherit xmlsec;
-    })
-  ];
-
-  postPatch = ''
-    # fix failing tests on systems with 32bit time_t
-    sed -i 's/2999\(-.*T\)/2029\1/g' tests/*.xml
-  '';
-
   disabledTests = [
     # Disabled tests try to access the network
     "test_load_extern_incommon"
@@ -95,6 +85,7 @@ in buildPythonPackage rec {
   meta = with lib; {
     description = "Python implementation of SAML Version 2 Standard";
     homepage = "https://github.com/IdentityPython/pysaml2";
+    changelog = "https://github.com/IdentityPython/pysaml2/blob/v${version}/CHANGELOG.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ ];
   };