diff --git a/pyproject.toml b/pyproject.toml
index a21a4de..18b7ba8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,14 +7,11 @@ authors = ["coolneng <akasroua@gmail.com>"]
 [tool.poetry.dependencies]
 python = "^3.8"
 scikit-learn = "^0.24.0"
-pandas = "^1.2.0"
 imbalanced-learn = "^0.7.0"
+numpy = "^1.19.4"
 
 [tool.poetry.dev-dependencies]
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
-
-[tool.poetry.scripts]
-competition = "processing:main"
diff --git a/shell.nix b/shell.nix
index 39bb4fd..0c0163a 100644
--- a/shell.nix
+++ b/shell.nix
@@ -2,4 +2,4 @@
 
 with pkgs;
 
-mkShell { buildInputs = [ python38 poetry ]; }
+mkShell { buildInputs = [ python38 python38Packages.pandas poetry ]; }