diff --git a/pkgs/development/python-modules/clickgen/default.nix b/pkgs/development/python-modules/clickgen/default.nix
index c4598f86d9ac..026acd33caaa 100644
--- a/pkgs/development/python-modules/clickgen/default.nix
+++ b/pkgs/development/python-modules/clickgen/default.nix
@@ -3,7 +3,9 @@
 , buildPythonPackage
 , pythonOlder
 , fetchFromGitHub
+, attrs
 , pillow
+, pyyaml
 , toml
 , numpy
 , python
@@ -12,7 +14,7 @@
 
 buildPythonPackage rec {
   pname = "clickgen";
-  version = "2.1.3";
+  version = "2.1.8";
   format = "setuptools";
 
   disabled = pythonOlder "3.8";
@@ -21,19 +23,29 @@ buildPythonPackage rec {
     owner = "ful1e5";
     repo = "clickgen";
     rev = "refs/tags/v${version}";
-    hash = "sha256-qDaSfIeKCbyl3C2iKz9DYQc1oNwTe5xDlGg/yYhakSw=";
+    hash = "sha256-74nOqaRZXLOSF4sjydAbF3sRMrw+21+fYDs3hiVSszA=";
   };
 
-  propagatedBuildInputs = [ pillow toml numpy ];
+  propagatedBuildInputs = [
+    attrs
+    numpy
+    pillow
+    pyyaml
+    toml
+  ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
 
   postInstall = ''
     # Copying scripts directory needed by clickgen script at $out/bin/
     cp -R src/clickgen/scripts $out/${python.sitePackages}/clickgen/scripts
   '';
 
-  pythonImportsCheck = [ "clickgen" ];
+  pythonImportsCheck = [
+    "clickgen"
+  ];
 
   meta = with lib; {
     homepage = "https://github.com/ful1e5/clickgen";