diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
new file mode 100644
index 0000000..836ddbd
--- /dev/null
+++ b/.github/workflows/mypy.yml
@@ -0,0 +1,23 @@
+name: mypy
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.11"]
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Set up environment
+      run: |
+        bash venv.sh
+    - name: Analysing the code with mypy
+      run: |
+        . .venv/bin/activate
+        mypy bot/TypoBot.py
diff --git a/.gitignore b/.gitignore
index 92f9969..fc371da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ config.py
 __pycache__/
 .venv/
 storage.json
+.mypy_cache/
diff --git a/venv.sh b/venv.sh
index d1c0c76..504e6e5 100755
--- a/venv.sh
+++ b/venv.sh
@@ -9,7 +9,7 @@ function activate {
     source $VENV_DIR/bin/activate
 }
 
-if [[ ! -f "$CONFIG_FILE" ]] then
+if [ ! -f "$CONFIG_FILE" ]; then
     # Create example config file
     echo "DISCORD_TOKEN = \"token here\"" >> $CONFIG_FILE
     echo "STORAGE_FILE = \"storage.json\"" >> $CONFIG_FILE
@@ -17,10 +17,11 @@ if [[ ! -f "$CONFIG_FILE" ]] then
     echo "STARBOARD_MINIMUM_STARS = 5" >> $CONFIG_FILE
 fi
 
-if [[ ! -d "$VENV_DIR" ]] then
+if [ ! -d "$VENV_DIR" ]; then
     # Create virtual environment and install required packages
     $PYTHON -m venv "$VENV_DIR"
     activate
+    pip install --upgrade pip
     pip install -r "$REQUIREMENTS"
 else
     activate