diff --git a/pkgs/development/python-modules/enaml/default.nix b/pkgs/development/python-modules/enaml/default.nix
index e53b38d04e91..6d6d596e80b4 100644
--- a/pkgs/development/python-modules/enaml/default.nix
+++ b/pkgs/development/python-modules/enaml/default.nix
@@ -1,19 +1,25 @@
 { lib
-, buildPythonPackage
-, fetchFromGitHub
-, setuptools-scm
 , atom
-, ply
-, kiwisolver
-, qtpy
-, sip_4
-, cppy
+, buildPythonPackage
 , bytecode
+, cppy
+, fetchFromGitHub
+, kiwisolver
+, pegen
+, ply
+, qtpy
+, setuptools
+, setuptools-scm
+, pythonOlder
+, sip_4
 }:
 
 buildPythonPackage rec {
   pname = "enaml";
   version = "0.16.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "nucleic";
@@ -22,6 +28,24 @@ buildPythonPackage rec {
     hash = "sha256-0W5FWGS4vu5+O6/C4El60QDsRNj+P4xGQ62NdkfJd5I=";
   };
 
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    atom
+    bytecode
+    cppy
+    kiwisolver
+    pegen
+    ply
+    qtpy
+    sip_4
+  ];
+
   # qt bindings cannot be found during tests
   doCheck = false;
 
@@ -40,21 +64,10 @@ buildPythonPackage rec {
     "enaml.workbench"
   ];
 
-  nativeBuildInputs = [ setuptools-scm ];
-  propagatedBuildInputs = [
-    atom
-    ply
-    kiwisolver
-    qtpy
-    sip_4
-    cppy
-    bytecode
-  ];
-  SETUPTOOLS_SCM_PRETEND_VERSION = version;
-
   meta = with lib; {
-    homepage = "https://github.com/nucleic/enaml";
     description = "Declarative User Interfaces for Python";
+    homepage = "https://github.com/nucleic/enaml";
+    changelog = "https://github.com/nucleic/enaml/releases/tag/${version}";
     license = licenses.bsd3;
     maintainers = with maintainers; [ raboof ];
   };
diff --git a/pkgs/development/python-modules/pegen/default.nix b/pkgs/development/python-modules/pegen/default.nix
new file mode 100644
index 000000000000..bc88e02a642e
--- /dev/null
+++ b/pkgs/development/python-modules/pegen/default.nix
@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+, setuptools
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "pegen";
+  version = "0.2.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "we-like-parsers";
+    repo = pname;
+    rev = "refs/tags/v${version}";
+    hash = "sha256-5nxOMgkDAkHtVFSNXf0SPoag6/E7b97eVnFoAqyJE3g=";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools
+    setuptools-scm
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "pegen"
+  ];
+
+  meta = with lib; {
+    description = "Library to generate PEG parsers";
+    homepage = "https://github.com/we-like-parsers/pegen";
+    changelog = "https://github.com/we-like-parsers/pegen/releases/tag/v${version}";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 8a784017465c..f6af5c709edb 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7191,6 +7191,8 @@ self: super: with self; {
 
   peaqevcore = callPackage ../development/python-modules/peaqevcore { };
 
+  pegen = callPackage ../development/python-modules/pegen { };
+
   pebble = callPackage ../development/python-modules/pebble { };
 
   pecan = callPackage ../development/python-modules/pecan { };