diff --git a/src/args/calculate-cvss-3/default.nix b/src/args/calculate-cvss-3/default.nix
index 95907393..939e1a01 100644
--- a/src/args/calculate-cvss-3/default.nix
+++ b/src/args/calculate-cvss-3/default.nix
@@ -1,7 +1,7 @@
 {
   __nixpkgs__,
   makeDerivation,
-  makePythonPypiEnvironment,
+  makePythonEnvironment,
   ...
 }: envTarget:
 makeDerivation {
@@ -12,9 +12,9 @@ makeDerivation {
   name = "calculate-cvss-3";
   searchPaths = {
     source = [
-      (makePythonPypiEnvironment {
-        name = "cvss";
-        sourcesYaml = ./sources.yaml;
+      (makePythonEnvironment {
+        pythonProjectDir = ./.;
+        pythonVersion = "3.11";
       })
     ];
   };
diff --git a/src/args/calculate-cvss-3/poetry.lock b/src/args/calculate-cvss-3/poetry.lock
new file mode 100644
index 00000000..72cb5fd9
--- /dev/null
+++ b/src/args/calculate-cvss-3/poetry.lock
@@ -0,0 +1,17 @@
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+
+[[package]]
+name = "cvss"
+version = "2.3"
+description = "CVSS2/3 library with interactive calculator for Python 2 and Python 3"
+optional = false
+python-versions = "*"
+files = [
+    {file = "cvss-2.3-py2.py3-none-any.whl", hash = "sha256:0b6b6b78e140f5abbaf75a48d77e970afe6da17763f568a2dca32b23e986a336"},
+    {file = "cvss-2.3.tar.gz", hash = "sha256:fc22c9da2e7b93e0476cbea1279c95e7be08a3413e2d946686f0271501a24140"},
+]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.11"
+content-hash = "2af356ad93cd66ac9fdbf6bf4c7a6a8134e175302a2613fa8dc5acfbb2120d41"
diff --git a/src/args/calculate-cvss-3/pyproject.toml b/src/args/calculate-cvss-3/pyproject.toml
new file mode 100644
index 00000000..c56a4cbb
--- /dev/null
+++ b/src/args/calculate-cvss-3/pyproject.toml
@@ -0,0 +1,15 @@
+[tool.poetry]
+name = "calculate-cvss-3"
+version = "0.1.0"
+description = ""
+authors = ["Your Name <you@example.com>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.11"
+cvss = "2.3"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/src/args/lint-with-lizard/default.nix b/src/args/lint-with-lizard/default.nix
index b5aef19b..e0012793 100644
--- a/src/args/lint-with-lizard/default.nix
+++ b/src/args/lint-with-lizard/default.nix
@@ -1,7 +1,7 @@
 {
   makeDerivation,
   makeDerivationParallel,
-  makePythonPypiEnvironment,
+  makePythonEnvironment,
   ...
 }: {
   targets,
@@ -16,9 +16,9 @@
       name = "build-lint-with-lizard-for-${name}-${envTarget}";
       searchPaths = {
         source = [
-          (makePythonPypiEnvironment {
-            name = "lizard";
-            sourcesYaml = ./sources.yaml;
+          (makePythonEnvironment {
+            pythonProjectDir = ./.;
+            pythonVersion = "3.11";
           })
         ];
       };
diff --git a/src/args/lint-with-lizard/poetry.lock b/src/args/lint-with-lizard/poetry.lock
new file mode 100644
index 00000000..33a5fb38
--- /dev/null
+++ b/src/args/lint-with-lizard/poetry.lock
@@ -0,0 +1,17 @@
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+
+[[package]]
+name = "lizard"
+version = "1.17.3"
+description = "A code analyzer without caring the C/C++ header files. It works with Java, C/C++, JavaScript, Python, Ruby, Swift, Objective C. Metrics includes cyclomatic complexity number etc."
+optional = false
+python-versions = "*"
+files = [
+    {file = "lizard-1.17.3-py2.py3-none-any.whl", hash = "sha256:d7295be98d43d79cf4bb8daf0cdcdc2d32a238a3e4981a4adf9a628a8a3a1f9d"},
+    {file = "lizard-1.17.3.tar.gz", hash = "sha256:21994effc04979e80973ae603f02ada19405a773e3aa55795fa952fbb6c0e894"},
+]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "^3.11"
+content-hash = "af97cbcfdabf4ef6a796bf0a6fa739f25df05f94b8bf2ff618b89087f700f726"
diff --git a/src/args/lint-with-lizard/pyproject.toml b/src/args/lint-with-lizard/pyproject.toml
new file mode 100644
index 00000000..4473cce9
--- /dev/null
+++ b/src/args/lint-with-lizard/pyproject.toml
@@ -0,0 +1,15 @@
+[tool.poetry]
+name = "lint-with-lizard"
+version = "0.1.0"
+description = ""
+authors = ["Your Name <you@example.com>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.11"
+lizard = "1.17.3"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"