diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index d5c21c7..0000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: Test
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-      - uses: r-lib/actions/setup-r@v2
-      - run: Rscript -e 'install.packages("dtw")'
-      - uses: actions/setup-python@v4
-        with:
-          python-version: "3.9" # Version range or exact version of a Python version to use, using SemVer's version range syntax
-          architecture: "x64" # optional x64 or x86. Defaults to x64 if not specified
-      - run: pip install -e .
-      - run: pip install -r tests/requirements.txt
-      - run: python tests/test_cost.py
diff --git a/setup.py b/setup.py
index b8dbc78..43c5268 100644
--- a/setup.py
+++ b/setup.py
@@ -1,20 +1,21 @@
 # -*- coding: utf-8 -*-
 import os
-from setuptools import setup
-from setuptools import find_packages
+
+from setuptools import find_packages, setup
 
 # meta info
 NAME = "dtwalign"
-VERSION = "0.1.0"
+VERSION = "0.1.1"
 AUTHOR = "Takehiro Suzuki"
 AUTHOR_EMAIL = ""
 URL = "https://github.com/statefb/dtwalign"
-DESCRIPTION = 'Comprehensive DTW package which enables partial mathing and has various constraint options'
+DESCRIPTION = "Comprehensive DTW package which enables partial mathing and has various constraint options"
 LICENSE = "MIT"
 
-if not os.path.exists('README.txt'):
+if not os.path.exists("README.txt"):
     os.system("pandoc -o README.txt README.md")
-LONG_DESCRIPTION = open('README.txt').read()
+LONG_DESCRIPTION = open("README.txt").read()
+
 
 def main():
     setup(
@@ -34,11 +35,9 @@ def main():
             "seaborn >= 0.8.1",
             "networkx",
             "numba >= 0.34.0",
-            "scipy"
-        ],
-        dependency_links=[
-
+            "scipy",
         ],
+        dependency_links=[],
         tests_require=[
             "rpy2",
         ],
@@ -49,9 +48,9 @@ def main():
             "Programming Language :: Python :: 3.5",
             "Programming Language :: Python :: 3.6",
             "Topic :: Scientific/Engineering",
-        ]
+        ],
     )
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 8f38986..94a1896 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1 +1 @@
-rpy2
+rpy2==3.5.6