diff --git a/pyproject.toml b/pyproject.toml
index 6bff9fb..a117b53 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,9 @@ ipykernel = "^6.29.5"
 [tool.poetry.scripts]
 integuru = "integuru.__main__:cli"
 
+[tool.poetry.dev-dependencies]
+pytest = "^7.0"
+
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"