diff --git a/docs/example_config.ini b/docs/example_config.ini
index 246ab35..e19bbfa 100644
--- a/docs/example_config.ini
+++ b/docs/example_config.ini
@@ -5,6 +5,9 @@ working_directory = ~/Documents/typst_projects/
 # working_directory = .
 # Resume last session on startup
 resume_last_session = True
+# The default application theme
+# It can be default, one_dark_two, catppuccin_macchiato, modern_light, github_light, blender, dracula, nord, catppuccin_latte, catppuccin_mocha, catppuccin_frappe, modern_dark, github_dark, monokai, atom_one
+theme = default
 
 [Compiler]
 # The name of the Typst compiler on your system (in almost all cases simply typst)
diff --git a/pyproject.toml b/pyproject.toml
index d4947e6..5941b74 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,8 @@ dependencies = [
 "qtpy >= 2.3",
 "pyside6 >= 6.4.0",
 "pygments >= 2.18",
-"platformdirs >= 4.0"
+"platformdirs >= 4.0",
+"qt-themes >= 0.3.0"
 ]
 dynamic = ["version"]
 
diff --git a/typstwriter/actions.py b/typstwriter/actions.py
index ade13bf..2be6cb6 100644
--- a/typstwriter/actions.py
+++ b/typstwriter/actions.py
@@ -2,6 +2,8 @@
 from qtpy import QtCore
 from qtpy import QtWidgets
 
+import qt_themes
+
 from typstwriter import util
 
 from typstwriter import logging
@@ -117,6 +119,23 @@ def __init__(self, parent):
         self.layout.addAction(self.layout_editorL)
         self.layout.addAction(self.layout_editorR)
 
+        self.themes = QtWidgets.QActionGroup(self)
+        theme = QtWidgets.QAction(self)
+        theme.setData(None)
+        theme.setText("System Default")
+        theme.setCheckable(True)
+        theme.setChecked(True)
+        theme.triggered.connect(lambda: qt_themes.set_theme(None))
+        self.themes.addAction(theme)
+
+        for t in sorted(qt_themes.get_themes().keys()):
+            theme = QtWidgets.QAction(self)
+            theme.setData(t)
+            theme.setText(t.replace("_", " ").title())
+            theme.setCheckable(True)
+            theme.triggered.connect(lambda s, t=t: qt_themes.set_theme(t))
+            self.themes.addAction(theme)
+
         self.show_fs_explorer = QtWidgets.QAction(self)
         self.show_fs_explorer.setText("Show FS Explorer")
         self.show_fs_explorer.setCheckable(True)
diff --git a/typstwriter/configuration.py b/typstwriter/configuration.py
index da84404..0c199a8 100644
--- a/typstwriter/configuration.py
+++ b/typstwriter/configuration.py
@@ -19,7 +19,8 @@
                 "./typstwriter.ini"]  # fmt: skip
 
 default_config = {"General": {"working_directory": "~/",
-                              "resume_last_session": False},
+                              "resume_last_session": False,
+                              "theme": "default"},
                   "Compiler": {"name": "typst",
                                "mode": "on_demand"},
                   "Editor": {"font_size": 10,
diff --git a/typstwriter/mainwindow.py b/typstwriter/mainwindow.py
index e062443..59efe03 100644
--- a/typstwriter/mainwindow.py
+++ b/typstwriter/mainwindow.py
@@ -162,6 +162,9 @@ def __init__(self):
         # Use default layout
         self.use_default_layout()
 
+        # Use default theme
+        self.use_default_theme()
+
         # Load last session
         if config.get("General", "resume_last_session", "bool"):
             self.load_session()
@@ -224,6 +227,13 @@ def use_default_layout(self):
 
         self.splitter.setSizes([1e6, 1e6])
 
+    def use_default_theme(self):
+        """Apply theme set in the config."""
+        default_theme = config.get("General", "theme")
+        for theme in self.actions.themes.actions():
+            if theme.data() == default_theme:
+                theme.trigger()
+
     def set_fs_explorer_visibility(self, visibility):
         """Set the visibility of the fs explplorer."""
         self.FSdock.setVisible(visibility)
diff --git a/typstwriter/menubar.py b/typstwriter/menubar.py
index 0145562..1e57a02 100644
--- a/typstwriter/menubar.py
+++ b/typstwriter/menubar.py
@@ -60,6 +60,10 @@ def __init__(self, actions):
         self.layout_menu.setTitle("Layout")
         self.layout_menu.addActions(actions.layout.actions())
 
+        self.theme_menu = QtWidgets.QMenu(self)
+        self.theme_menu.setTitle("Theme")
+        self.theme_menu.addActions(actions.themes.actions())
+
         self.editor_zoom_menu = QtWidgets.QMenu(self)
         self.editor_zoom_menu.setTitle("Editor Zoom")
         self.editor_zoom_menu.addAction(actions.font_size_up)
@@ -67,6 +71,7 @@ def __init__(self, actions):
         self.editor_zoom_menu.addAction(actions.font_size_reset)
 
         self.menuView.addMenu(self.layout_menu)
+        self.menuView.addMenu(self.theme_menu)
         self.menuView.addSeparator()
         self.menuView.addAction(actions.show_fs_explorer)
         self.menuView.addAction(actions.show_compiler_options)