diff --git a/pkgs/development/python-modules/clikit/default.nix b/pkgs/development/python-modules/clikit/default.nix
index 94f3fa08b138..054b6edee6da 100644
--- a/pkgs/development/python-modules/clikit/default.nix
+++ b/pkgs/development/python-modules/clikit/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "clikit";
-  version = "0.4.1";
+  version = "0.4.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "8ae4766b974d7b1983e39d501da9a0aadf118a907a0c9b50714d027c8b59ea81";
+    sha256 = "0glppxx0pyppjcigzs8h16srlbxb6nci0282xfy3ayvwbq8pwbbf";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/pastel/default.nix b/pkgs/development/python-modules/pastel/default.nix
index 532970c62c28..a44b4253ca56 100644
--- a/pkgs/development/python-modules/pastel/default.nix
+++ b/pkgs/development/python-modules/pastel/default.nix
@@ -1,24 +1,21 @@
-{ lib, buildPythonPackage, fetchFromGitHub, pytest }:
+{ lib, buildPythonPackage, fetchPypi, poetry, pytest }:
 
 buildPythonPackage rec {
   pname = "pastel";
-  version = "0.1.0";
+  version = "0.2.0";
 
-  # No tests in PyPi tarball
-  src = fetchFromGitHub {
-    owner = "sdispater";
-    repo = "pastel";
-    rev = version;
-    sha256 = "1b4ag7jr7j0sxly5g29imdq8g0d4ixhbck55dblr45mlsidydx0s";
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0dnaw44ss10i10z4ksy0xljknvjap7rb7g0b8p6yzm5x4g2my5a6";
   };
 
   checkInputs = [ pytest ];
   checkPhase = ''
-    pytest tests -sq
+    pytest
   '';
 
   meta = with lib; {
-    homepage = https://github.com/sdispater/pastel;
+    homepage = "https://github.com/sdispater/pastel";
     description = "Bring colors to your terminal";
     license = licenses.mit;
     maintainers = with maintainers; [ jakewaksbaum ];
diff --git a/pkgs/development/python-modules/poetry/default.nix b/pkgs/development/python-modules/poetry/default.nix
index f007ff3df1d8..481fd2c5feb7 100644
--- a/pkgs/development/python-modules/poetry/default.nix
+++ b/pkgs/development/python-modules/poetry/default.nix
@@ -36,7 +36,7 @@ in buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0y528095njf28isbcp5iwbf12j67xhxnrkac93pws0zy133v7kc1";
+    sha256 = "02h387k0xssvv78yy82pcpknpq4w5ym2in1zl8cg9r5wljl5w6cf";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/xdg/default.nix b/pkgs/development/python-modules/xdg/default.nix
new file mode 100644
index 000000000000..8b2d73b00fb8
--- /dev/null
+++ b/pkgs/development/python-modules/xdg/default.nix
@@ -0,0 +1,34 @@
+{ lib, buildPythonPackage, fetchFromGitHub, isPy27
+, clikit
+, poetry
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  version = "4.0.1";
+  pname = "xdg";
+  disabled = isPy27;
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "srstevenson";
+    repo = pname;
+    rev = version;
+    sha256 = "13kgnbwam6wmdbig0m98vmyjcqrp0j62nmfknb6prr33ns2nxbs2";
+  };
+
+  nativeBuildInputs = [ poetry ];
+
+  propagatedBuildInputs = [
+    clikit
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "XDG Base Directory Specification for Python";
+    homepage = "https://github.com/srstevenson/xdg";
+    license = licenses.isc;
+    maintainers = with maintainers; [ jonringer ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d2d63bacc2db..8f9f12c1c092 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3943,6 +3943,8 @@ in {
 
   colored = callPackage ../development/python-modules/colored { };
 
+  xdg = callPackage ../development/python-modules/xdg { };
+
   xdis = callPackage ../development/python-modules/xdis { };
 
   xnd = callPackage ../development/python-modules/xnd { };