diff --git a/pkgs/development/python-modules/envs/default.nix b/pkgs/development/python-modules/envs/default.nix
index 7656c5b56ec8..10fc95fbb13b 100644
--- a/pkgs/development/python-modules/envs/default.nix
+++ b/pkgs/development/python-modules/envs/default.nix
@@ -6,7 +6,6 @@
   jinja2,
   pytestCheckHook,
   poetry-core,
-  pythonOlder,
   terminaltables,
 }:
 
@@ -15,16 +14,14 @@ buildPythonPackage rec {
   version = "1.4";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-nYQ1xphdHN1oKZ4ExY4r24rmz2ayWWqAeeb5qT8qA5g=";
   };
 
-  nativeBuildInputs = [ poetry-core ];
+  build-system = [ poetry-core ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     click
     jinja2
     terminaltables
@@ -38,11 +35,11 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "envs" ];
 
-  meta = with lib; {
+  meta = {
     description = "Easy access to environment variables from Python";
     mainProgram = "envs";
     homepage = "https://github.com/capless/envs";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ peterhoeg ];
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ peterhoeg ];
   };
 }