diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..fa2d5f3
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,192 @@
+[[package]]
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+description = "The uncompromising code formatter."
+category = "dev"
+optional = false
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+
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+
+[package.extras]
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+
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+category = "dev"
+optional = false
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+[package.dependencies]
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+
+[[package]]
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+optional = false
+python-versions = ">=3.6"
+
+[package.extras]
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+
+[[package]]
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+optional = false
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+
+[[package]]
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+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
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+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[[package]]
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+version = "3.10.0.2"
+description = "Backported and Experimental Type Hints for Python 3.5+"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[metadata]
+lock-version = "1.1"
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+[metadata.files]
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+tomli = [
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+    {file = "tomli-1.2.1.tar.gz", hash = "sha256:a5b75cb6f3968abb47af1b40c1819dc519ea82bcc065776a866e8d74c5ca9442"},
+]
+typing-extensions = [
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+]
diff --git a/pyproject.toml b/pyproject.toml
index 7ba4f26..1129f41 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,6 +20,10 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.9.2"
+pysheller = "^0.1.0"
+
+[tool.poetry.dev-dependencies]
+black = "^21.8b0"
 
 [tool.poetry.scripts]
 guzzy = "guzzy:main"