diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ddf3a8c..e6c1da1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,6 @@
 name: CI
 
-on: [ push, pull_request ]
+on: [push, pull_request]
 
 permissions:
   contents: read
@@ -14,14 +14,14 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     env:
       DISPLAY: ':99.0'
-    steps:    
-    - uses: actions/checkout@v4
+    steps:
+    - uses: actions/checkout@v6
     - name: Install system packages
       run: |
         sudo apt update
         sudo apt install libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xfixes0 x11-utils libgl1 libegl1 libdbus-1-3 libxcb-cursor0 libgtk-3-0
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
         cache: 'pip'
@@ -45,18 +45,18 @@ jobs:
         pytest
       env:
         PYTEST_DEBUG_TEMPROOT: /tmp_pytest
-        
+
   ruff:
     name: Ruff
     runs-on: ubuntu-latest
-    steps:    
-    - uses: actions/checkout@v4
+    steps:
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: '3.10'
     - name: Install pip and ruff
-      run: | 
+      run: |
         python -m pip install --upgrade pip
         pip install ruff
     - name: Run Ruff
diff --git a/typstwriter/editor.py b/typstwriter/editor.py
index e760ad1..0b2e823 100644
--- a/typstwriter/editor.py
+++ b/typstwriter/editor.py
@@ -712,7 +712,7 @@ def __init__(self, parent):
         self.syntax_combo_box = QtWidgets.QComboBox()
         for name in sorted(syntax_highlighting.available_lexers(), key=str.lower):
             self.syntax_combo_box.addItem(name)
-        self.syntax_combo_box.textActivated.connect(lambda text: self.syntax_changed.emit(text))
+        self.syntax_combo_box.textActivated.connect(self.syntax_changed.emit)
 
         self.Layout.addStretch()
         self.Layout.addWidget(self.syntax_combo_box)
diff --git a/typstwriter/mainwindow.py b/typstwriter/mainwindow.py
index 59efe03..948f0e0 100644
--- a/typstwriter/mainwindow.py
+++ b/typstwriter/mainwindow.py
@@ -148,7 +148,7 @@ def __init__(self):
         self.CompilerConnector.compilation_finished.connect(self.editor.clear_errors)
         self.CompilerConnector.error_report.connect(self.editor.apply_errors)
         state.main_file.Signal.connect(lambda s: self.CompilerConnector.stop())
-        state.main_file.Signal.connect(lambda s: self.CompilerOptions.main_changed(s))
+        state.main_file.Signal.connect(lambda s: self.CompilerOptions.main_changed(s))  # noqa: PLW0108
         state.main_file.Signal.connect(lambda s: self.PDFWidget.open(util.pdf_path(s)))
 
         # For now only display errors