diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 0209620..b6b5018 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -74,7 +74,7 @@ jobs:
       - uses: ./.github/actions/setup-python
       - name: UnitTest
         working-directory: ./python
-        run: python -m unittest discover ./test
+        run: pytest
   mypy:
     timeout-minutes: 10
     runs-on: ubuntu-latest
diff --git a/python/README.md b/python/README.md
index 0d5e5b2..c38f54b 100644
--- a/python/README.md
+++ b/python/README.md
@@ -2,10 +2,15 @@
 
 - Python 3.14.4
 
-## 2. Execution
+## 2. Install Libraries via requirements.txt
+
+```command
+$ pip install -r requirements.txt
+```
+
+## 3. Execution
 
 ```command
-$ cd ./python
 $ python main.py
 Provide the directory name you put the JSON file in: ../json
 Provide the filename of which JSON data name you would like to sort: settings.json
@@ -13,3 +18,17 @@ Provide asc(default) or desc you would like to sort key-value in: asc
 Start exporting JSON data in ./json/settings.json
 Done exporting JSON data in ./json/settings.json 🎉
 ```
+
+## 4. Unit Test
+
+```command
+$ pytest 
+============================= test session starts ==============================
+platform linux -- Python 3.14.4, pytest-9.0.3, pluggy-1.6.0
+rootdir: /mnt/c/Users/binlh/Documents/development/json-data-sorters/python
+collected 5 items
+
+test/test_application.py .....                                           [100%]
+
+============================== 5 passed in 0.26s ===============================
+```