diff --git a/pkgs/development/python-modules/casbin/default.nix b/pkgs/development/python-modules/casbin/default.nix
index dc31600f9475..07ed4c5b1957 100644
--- a/pkgs/development/python-modules/casbin/default.nix
+++ b/pkgs/development/python-modules/casbin/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "casbin";
-  version = "1.9.2";
+  version = "1.9.3";
 
   disabled = isPy27;
 
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = "pycasbin";
     rev = "v${version}";
-    sha256 = "0awqdh4jsarf0lr2bl2qiaff1yk9vndq15jcl4abiig9wr2yghpc";
+    sha256 = "sha256-PN31/1BpXcNqsqBZ8sS/MM3UL47/Bi24bUh+jGOJevk=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/simpleeval/default.nix b/pkgs/development/python-modules/simpleeval/default.nix
index cb6f50fdd287..6467dc964ef3 100644
--- a/pkgs/development/python-modules/simpleeval/default.nix
+++ b/pkgs/development/python-modules/simpleeval/default.nix
@@ -1,16 +1,37 @@
-{ lib, fetchPypi, buildPythonPackage }:
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+}:
 
 buildPythonPackage rec {
   pname = "simpleeval";
-  version = "0.9.10";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "1skvl467kj83rzkhk01i0wm8m5vmh6j5znrfdizn6r18ii45a839";
+  version = "0.9.11";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "danthedeckie";
+    repo = pname;
+    rev = version;
+    sha256 = "111w76mahbf3lm2p72dkqp5fhwg7nvnwm4l078dgsgkixssjazi7";
   };
-  meta = {
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pytestFlagsArray = [
+    "test_simpleeval.py"
+  ];
+
+  pythonImportsCheck = [
+    "simpleeval"
+  ];
+
+  meta = with lib; {
+    description = "Simple, safe single expression evaluator library";
     homepage = "https://github.com/danthedeckie/simpleeval";
-    description = "A simple, safe single expression evaluator library";
-    maintainers = with lib.maintainers; [ johbo ];
-    license = lib.licenses.mit;
+    license = licenses.mit;
+    maintainers = with maintainers; [ johbo ];
   };
 }