diff --git a/.github/workflows/codestyle.yml b/.github/workflows/codestyle.yml
index eb29b76..aa66ef2 100644
--- a/.github/workflows/codestyle.yml
+++ b/.github/workflows/codestyle.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Python 3.6 🐍
         uses: actions/setup-python@v3
         with:
-          python-version: 3.6
+          python-version: 3.6.7
 
       - name: Install Dependencies 📥
         run: pip install -r requirements.txt
diff --git a/requirements.txt b/requirements.txt
index d9cebe4..8d33d56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,3 +12,6 @@ numpy~=1.24
 # Request making and response parsing modules:
 httpx~=0.23
 PyYAML~=6.0
+
+# Codestyle checking module:
+flake8~=6.0