diff --git a/pyproject.toml b/pyproject.toml
index 75049cc..2f5d42d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,9 +6,12 @@ authors = ["ymyke"]
 
 [tool.poetry.dependencies]
 python = "^3.9"
+investpy = "^1.0.8"
 
 [tool.poetry.dev-dependencies]
 pytest = "^5.2"
+ipykernel = "^6.12.1"
+black = "^22.3.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]