diff --git a/pkgs/development/python-modules/pympler/default.nix b/pkgs/development/python-modules/pympler/default.nix
index b75c7e8b5af1..a75ac083f7b8 100644
--- a/pkgs/development/python-modules/pympler/default.nix
+++ b/pkgs/development/python-modules/pympler/default.nix
@@ -3,45 +3,42 @@
   stdenv,
   bottle,
   buildPythonPackage,
-  fetchpatch,
   fetchPypi,
   pytestCheckHook,
   pythonAtLeast,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "pympler";
-  version = "1.0.1";
+  version = "1.1";
+  pyproject = true;
 
   src = fetchPypi {
-    pname = "Pympler";
-    inherit version;
-    sha256 = "993f1a3599ca3f4fcd7160c7545ad06310c9e12f70174ae7ae8d4e25f6c5d3fa";
+    inherit pname version;
+    hash = "sha256-HqqGfLiZLCGEMPFwj9rM2lPfBkFE0cVlax5vHuYABCQ=";
   };
 
-  patches = [
-    # Fixes a TypeError on Python 3.11
-    # (see https://github.com/pympler/pympler/issues/148)
-    # https://github.com/pympler/pympler/pull/149
-    (fetchpatch {
-      name = "Pympler-python-3.11-compat.patch";
-      url = "https://github.com/pympler/pympler/commit/0fd8ad8da39207bd0dcb28bdac0407e04744c965.patch";
-      hash = "sha256-6MK0AuhVhQkUzlk29HUh1+mSbfsVTBJ1YBtYNIFhh7U=";
-    })
-  ];
-
-  nativeCheckInputs = [ pytestCheckHook ];
+  build-system = [ setuptools ];
 
   # There is a version of bottle bundled with Pympler, but it is broken on
   # Python 3.11. Fortunately, Pympler will preferentially import an external
   # bottle if it is available, so we make it an explicit dependency.
-  propagatedBuildInputs = [ bottle ];
+  dependencies = [ bottle ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
 
   disabledTests =
     [
       # 'AssertionError: 'function (test.muppy.test_summary.func)' != 'function (muppy.test_summary.func)'
       # https://github.com/pympler/pympler/issues/134
       "test_repr_function"
+      # Stuck
+      "test_locals"
+      "test_globals"
+      "test_traceback"
+      "test_otracker_diff"
+      "test_stracker_store_summary"
     ]
     ++ lib.optionals (pythonAtLeast "3.11") [
       # https://github.com/pympler/pympler/issues/148
@@ -54,7 +51,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "Tool to measure, monitor and analyze memory behavior";
-    homepage = "https://pythonhosted.org/Pympler/";
+    homepage = "https://github.com/pympler/pympler";
     license = licenses.asl20;
   };
 }