diff --git a/CHANGELOG.md b/CHANGELOG.md
index e021438..58a1cb7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,46 +16,6 @@
 * 📚 introduce jupytext and remove .ipynb files ([0d6dd70](https://github.com/noshita/ktch/commit/0d6dd705a53a52495e15e945612b4185ffd2b0a5))
 
 
-### Miscellaneous Chores
-
-* release 0.4.1 ([cc1c2a6](https://github.com/noshita/ktch/commit/cc1c2a62aeaebf444b14e05285378e6de8463860))
-
-## [0.4.1](https://github.com/noshita/ktch/compare/v0.4.1...v0.4.1) (2024-03-12)
-
-
-### Bug Fixes
-
-* 🐛  inefficient regular expression ([a2d04a2](https://github.com/noshita/ktch/commit/a2d04a2de7bbf204e289e2c2e4cdf75b0a59565f))
-* 🐛 install jupytext ([b938cb1](https://github.com/noshita/ktch/commit/b938cb1e52a77191069538942caeb71f46c07c1f))
-* 🐛 invalid escape sequence ([394464d](https://github.com/noshita/ktch/commit/394464d84c1ec0da8fd50c12bd4a93c80afbe31c))
-
-
-### Documentation
-
-* 📚 introduce jupytext and remove .ipynb files ([d8b38b9](https://github.com/noshita/ktch/commit/d8b38b9a11408da1fd464a0f2c7b268688c23350))
-* 📚 introduce jupytext and remove .ipynb files ([0d6dd70](https://github.com/noshita/ktch/commit/0d6dd705a53a52495e15e945612b4185ffd2b0a5))
-
-
-### Miscellaneous Chores
-
-* release 0.4.1 ([cc1c2a6](https://github.com/noshita/ktch/commit/cc1c2a62aeaebf444b14e05285378e6de8463860))
-
-## [0.4.1](https://github.com/noshita/ktch/compare/v0.4.0...v0.4.1) (2024-03-12)
-
-
-### Bug Fixes
-
-* 🐛  inefficient regular expression ([a2d04a2](https://github.com/noshita/ktch/commit/a2d04a2de7bbf204e289e2c2e4cdf75b0a59565f))
-* 🐛 install jupytext ([b938cb1](https://github.com/noshita/ktch/commit/b938cb1e52a77191069538942caeb71f46c07c1f))
-* 🐛 invalid escape sequence ([394464d](https://github.com/noshita/ktch/commit/394464d84c1ec0da8fd50c12bd4a93c80afbe31c))
-
-
-### Documentation
-
-* 📚 introduce jupytext and remove .ipynb files ([d8b38b9](https://github.com/noshita/ktch/commit/d8b38b9a11408da1fd464a0f2c7b268688c23350))
-* 📚 introduce jupytext and remove .ipynb files ([0d6dd70](https://github.com/noshita/ktch/commit/0d6dd705a53a52495e15e945612b4185ffd2b0a5))
-
-
 ### Miscellaneous Chores
 
 * release 0.4.1 ([cc1c2a6](https://github.com/noshita/ktch/commit/cc1c2a62aeaebf444b14e05285378e6de8463860))
diff --git a/pyproject.toml b/pyproject.toml
index 37ccf03..5cc8f56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ version = "0.4.1"
 
 [tool.poetry.dependencies]
 numpy = ">=1.22"
-pandas = ">=1.5"
+pandas = {version = ">=1.5", extras = ["pyarrow"]}
 python = "^3.9"
 scikit-learn = ">=1.2"
 scipy = ">=1.8"