diff --git a/include/AIconLabel.hpp b/include/AIconLabel.hpp
index aeeba6cb..054d031a 100644
--- a/include/AIconLabel.hpp
+++ b/include/AIconLabel.hpp
@@ -13,7 +13,7 @@ class AIconLabel : public ALabel {
              const std::string &format, uint16_t interval = 0, bool ellipsize = false,
              bool enable_click = false, bool enable_scroll = false);
   virtual ~AIconLabel() = default;
-  virtual auto update() -> void;
+  auto update() -> void override;
 
  protected:
   Gtk::Image image_;
diff --git a/include/ALabel.hpp b/include/ALabel.hpp
index 14f82242..888c65a8 100644
--- a/include/ALabel.hpp
+++ b/include/ALabel.hpp
@@ -14,7 +14,7 @@ class ALabel : public AModule {
          uint16_t interval = 0, bool ellipsize = false, bool enable_click = false,
          bool enable_scroll = false);
   virtual ~ALabel() = default;
-  virtual auto update() -> void;
+  auto update() -> void override;
   virtual std::string getIcon(uint16_t, const std::string &alt = "", uint16_t max = 0);
   virtual std::string getIcon(uint16_t, const std::vector<std::string> &alts, uint16_t max = 0);
 
@@ -25,7 +25,7 @@ class ALabel : public AModule {
   bool alt_ = false;
   std::string default_format_;
 
-  virtual bool handleToggle(GdkEventButton *const &e);
+  bool handleToggle(GdkEventButton *const &e) override;
   virtual std::string getState(uint8_t value, bool lesser = false);
 };
 
diff --git a/include/AModule.hpp b/include/AModule.hpp
index d221caca..6f724cb6 100644
--- a/include/AModule.hpp
+++ b/include/AModule.hpp
@@ -12,10 +12,10 @@ namespace waybar {
 class AModule : public IModule {
  public:
   virtual ~AModule();
-  virtual auto update() -> void;
+  auto update() -> void override;
   virtual auto refresh(int) -> void{};
-  virtual operator Gtk::Widget &();
-  virtual auto doAction(const std::string& name) -> void;
+  operator Gtk::Widget &() override;
+  auto doAction(const std::string& name) -> void override;
 
   Glib::Dispatcher dp;
 
diff --git a/include/group.hpp b/include/group.hpp
index 60801c71..60e31c96 100644
--- a/include/group.hpp
+++ b/include/group.hpp
@@ -14,8 +14,8 @@ class Group : public AModule {
  public:
   Group(const std::string&, const std::string&, const Json::Value&, bool);
   ~Group() = default;
-  auto update() -> void;
-  operator Gtk::Widget&();
+  auto update() -> void override;
+  operator Gtk::Widget&() override;
   Gtk::Box box;
 };
 
diff --git a/include/modules/backlight.hpp b/include/modules/backlight.hpp
index 6597d39c..ade4bc78 100644
--- a/include/modules/backlight.hpp
+++ b/include/modules/backlight.hpp
@@ -40,8 +40,8 @@ class Backlight : public ALabel {
 
  public:
   Backlight(const std::string &, const Json::Value &);
-  ~Backlight();
-  auto update() -> void;
+  virtual ~Backlight();
+  auto update() -> void override;
 
  private:
   template <class ForwardIt>
@@ -51,7 +51,7 @@ class Backlight : public ALabel {
   template <class ForwardIt, class Inserter>
   static void enumerate_devices(ForwardIt first, ForwardIt last, Inserter inserter, udev *udev);
 
-  bool handleScroll(GdkEventScroll *e);
+  bool handleScroll(GdkEventScroll *e) override;
 
   const std::string preferred_device_;
   static constexpr int EPOLL_MAX_EVENTS = 16;
diff --git a/include/modules/battery.hpp b/include/modules/battery.hpp
index 54a7dd3c..017b0e48 100644
--- a/include/modules/battery.hpp
+++ b/include/modules/battery.hpp
@@ -29,8 +29,8 @@ namespace fs = std::filesystem;
 class Battery : public ALabel {
  public:
   Battery(const std::string&, const Json::Value&);
-  ~Battery();
-  auto update() -> void;
+  virtual ~Battery();
+  auto update() -> void override;
 
  private:
   static inline const fs::path data_dir_ = "/sys/class/power_supply/";
diff --git a/include/modules/bluetooth.hpp b/include/modules/bluetooth.hpp
index bd9737b1..18481e31 100644
--- a/include/modules/bluetooth.hpp
+++ b/include/modules/bluetooth.hpp
@@ -45,8 +45,8 @@ class Bluetooth : public ALabel {
 
  public:
   Bluetooth(const std::string&, const Json::Value&);
-  ~Bluetooth() = default;
-  auto update() -> void;
+  virtual ~Bluetooth() = default;
+  auto update() -> void override;
 
  private:
   static auto onInterfaceAddedOrRemoved(GDBusObjectManager*, GDBusObject*, GDBusInterface*,
diff --git a/include/modules/clock.hpp b/include/modules/clock.hpp
index 8d9f79fd..07f2284f 100644
--- a/include/modules/clock.hpp
+++ b/include/modules/clock.hpp
@@ -23,8 +23,8 @@ enum class CldMode {
 class Clock final : public ALabel {
  public:
   Clock(const std::string&, const Json::Value&);
-  ~Clock() = default;
-  auto update() -> void;
+  virtual ~Clock() = default;
+  auto update() -> void override;
   auto doAction(const std::string& name) -> void override;
 
  private:
diff --git a/include/modules/cpu.hpp b/include/modules/cpu.hpp
index 539f926c..a5235486 100644
--- a/include/modules/cpu.hpp
+++ b/include/modules/cpu.hpp
@@ -17,8 +17,8 @@ namespace waybar::modules {
 class Cpu : public ALabel {
  public:
   Cpu(const std::string&, const Json::Value&);
-  ~Cpu() = default;
-  auto update() -> void;
+  virtual ~Cpu() = default;
+  auto update() -> void override;
 
  private:
   double getCpuLoad();
diff --git a/include/modules/custom.hpp b/include/modules/custom.hpp
index 711d07e2..a6024a84 100644
--- a/include/modules/custom.hpp
+++ b/include/modules/custom.hpp
@@ -15,9 +15,9 @@ namespace waybar::modules {
 class Custom : public ALabel {
  public:
   Custom(const std::string&, const std::string&, const Json::Value&);
-  ~Custom();
-  auto update() -> void;
-  void refresh(int /*signal*/);
+  virtual ~Custom();
+  auto update() -> void override;
+  void refresh(int /*signal*/) override;
 
  private:
   void delayWorker();
@@ -25,8 +25,8 @@ class Custom : public ALabel {
   void parseOutputRaw();
   void parseOutputJson();
   void handleEvent();
-  bool handleScroll(GdkEventScroll* e);
-  bool handleToggle(GdkEventButton* const& e);
+  bool handleScroll(GdkEventScroll* e) override;
+  bool handleToggle(GdkEventButton* const& e) override;
 
   const std::string name_;
   std::string text_;
diff --git a/include/modules/disk.hpp b/include/modules/disk.hpp
index ec386b21..2a307c9e 100644
--- a/include/modules/disk.hpp
+++ b/include/modules/disk.hpp
@@ -14,8 +14,8 @@ namespace waybar::modules {
 class Disk : public ALabel {
  public:
   Disk(const std::string&, const Json::Value&);
-  ~Disk() = default;
-  auto update() -> void;
+  virtual ~Disk() = default;
+  auto update() -> void override;
 
  private:
   util::SleeperThread thread_;
diff --git a/include/modules/gamemode.hpp b/include/modules/gamemode.hpp
index b027393f..69c0c3ae 100644
--- a/include/modules/gamemode.hpp
+++ b/include/modules/gamemode.hpp
@@ -18,8 +18,8 @@ namespace waybar::modules {
 class Gamemode : public AModule {
  public:
   Gamemode(const std::string &, const Json::Value &);
-  ~Gamemode();
-  auto update() -> void;
+  virtual ~Gamemode();
+  auto update() -> void override;
 
  private:
   const std::string DEFAULT_ICON_NAME = "input-gaming-symbolic";
@@ -39,7 +39,7 @@ class Gamemode : public AModule {
                  const Glib::VariantContainerBase &arguments);
 
   void getData();
-  bool handleToggle(GdkEventButton *const &);
+  bool handleToggle(GdkEventButton *const &) override;
 
   // Config
   std::string format = DEFAULT_FORMAT;
diff --git a/include/modules/hyprland/language.hpp b/include/modules/hyprland/language.hpp
index a07cfc00..64290f83 100644
--- a/include/modules/hyprland/language.hpp
+++ b/include/modules/hyprland/language.hpp
@@ -10,12 +10,12 @@ namespace waybar::modules::hyprland {
 class Language : public waybar::ALabel, public EventHandler {
  public:
   Language(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Language();
+  virtual ~Language();
 
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
-  void onEvent(const std::string&);
+  void onEvent(const std::string&) override;
 
   void initLanguage();
   std::string getShortFrom(const std::string&);
diff --git a/include/modules/hyprland/submap.hpp b/include/modules/hyprland/submap.hpp
index c36578cd..e2a84981 100644
--- a/include/modules/hyprland/submap.hpp
+++ b/include/modules/hyprland/submap.hpp
@@ -10,12 +10,12 @@ namespace waybar::modules::hyprland {
 class Submap : public waybar::ALabel, public EventHandler {
  public:
   Submap(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Submap();
+  virtual ~Submap();
 
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
-  void onEvent(const std::string&);
+  void onEvent(const std::string&) override;
 
   std::mutex mutex_;
   const Bar& bar_;
diff --git a/include/modules/hyprland/window.hpp b/include/modules/hyprland/window.hpp
index 35438cdd..b5ab6fbb 100644
--- a/include/modules/hyprland/window.hpp
+++ b/include/modules/hyprland/window.hpp
@@ -12,14 +12,14 @@ namespace waybar::modules::hyprland {
 class Window : public waybar::ALabel, public EventHandler {
  public:
   Window(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Window();
+  virtual ~Window();
 
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
   int getActiveWorkspaceID(std::string);
   std::string getLastWindowTitle(int);
-  void onEvent(const std::string&);
+  void onEvent(const std::string&) override;
 
   bool separate_outputs;
   std::mutex mutex_;
diff --git a/include/modules/idle_inhibitor.hpp b/include/modules/idle_inhibitor.hpp
index 8378e58d..22bd808f 100644
--- a/include/modules/idle_inhibitor.hpp
+++ b/include/modules/idle_inhibitor.hpp
@@ -13,13 +13,13 @@ class IdleInhibitor : public ALabel {
 
  public:
   IdleInhibitor(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~IdleInhibitor();
-  auto update() -> void;
+  virtual ~IdleInhibitor();
+  auto update() -> void override;
   static std::list<waybar::AModule*> modules;
   static bool status;
 
  private:
-  bool handleToggle(GdkEventButton* const& e);
+  bool handleToggle(GdkEventButton* const& e) override;
   void toggleStatus();
 
   const Bar& bar_;
diff --git a/include/modules/image.hpp b/include/modules/image.hpp
index b2c89460..c15270de 100644
--- a/include/modules/image.hpp
+++ b/include/modules/image.hpp
@@ -17,8 +17,9 @@ namespace waybar::modules {
 class Image : public AModule {
  public:
   Image(const std::string&, const Json::Value&);
-  auto update() -> void;
-  void refresh(int /*signal*/);
+  virtual ~Image() = default;
+  auto update() -> void override;
+  void refresh(int /*signal*/) override;
 
  private:
   void delayWorker();
diff --git a/include/modules/inhibitor.hpp b/include/modules/inhibitor.hpp
index a5f300d6..43cb6cab 100644
--- a/include/modules/inhibitor.hpp
+++ b/include/modules/inhibitor.hpp
@@ -12,12 +12,12 @@ namespace waybar::modules {
 class Inhibitor : public ALabel {
  public:
   Inhibitor(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Inhibitor() override;
-  auto update() -> void;
+  virtual ~Inhibitor();
+  auto update() -> void override;
   auto activated() -> bool;
 
  private:
-  auto handleToggle(::GdkEventButton* const& e) -> bool;
+  auto handleToggle(::GdkEventButton* const& e) -> bool override;
 
   const std::unique_ptr<::GDBusConnection, void (*)(::GDBusConnection*)> dbus_;
   const std::string inhibitors_;
diff --git a/include/modules/jack.hpp b/include/modules/jack.hpp
index fbab0623..452c43a3 100644
--- a/include/modules/jack.hpp
+++ b/include/modules/jack.hpp
@@ -14,8 +14,8 @@ namespace waybar::modules {
 class JACK : public ALabel {
  public:
   JACK(const std::string &, const Json::Value &);
-  ~JACK() = default;
-  auto update() -> void;
+  virtual ~JACK() = default;
+  auto update() -> void override;
 
   int bufSize(jack_nframes_t size);
   int sampleRate(jack_nframes_t rate);
diff --git a/include/modules/keyboard_state.hpp b/include/modules/keyboard_state.hpp
index ce9faba0..deb577e2 100644
--- a/include/modules/keyboard_state.hpp
+++ b/include/modules/keyboard_state.hpp
@@ -19,8 +19,8 @@ namespace waybar::modules {
 class KeyboardState : public AModule {
  public:
   KeyboardState(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~KeyboardState();
-  auto update() -> void;
+  virtual ~KeyboardState();
+  auto update() -> void override;
 
  private:
   auto tryAddDevice(const std::string&) -> void;
diff --git a/include/modules/memory.hpp b/include/modules/memory.hpp
index e23ed841..3b6342b3 100644
--- a/include/modules/memory.hpp
+++ b/include/modules/memory.hpp
@@ -13,8 +13,8 @@ namespace waybar::modules {
 class Memory : public ALabel {
  public:
   Memory(const std::string&, const Json::Value&);
-  ~Memory() = default;
-  auto update() -> void;
+  virtual ~Memory() = default;
+  auto update() -> void override;
 
  private:
   void parseMeminfo();
diff --git a/include/modules/mpd/mpd.hpp b/include/modules/mpd/mpd.hpp
index ae3f9152..32d526e9 100644
--- a/include/modules/mpd/mpd.hpp
+++ b/include/modules/mpd/mpd.hpp
@@ -37,7 +37,7 @@ class MPD : public ALabel {
  public:
   MPD(const std::string&, const Json::Value&);
   virtual ~MPD() noexcept = default;
-  auto update() -> void;
+  auto update() -> void override;
 
  private:
   std::string getTag(mpd_tag_type type, unsigned idx = 0) const;
diff --git a/include/modules/mpris/mpris.hpp b/include/modules/mpris/mpris.hpp
index 040401f8..e82c9295 100644
--- a/include/modules/mpris/mpris.hpp
+++ b/include/modules/mpris/mpris.hpp
@@ -19,9 +19,9 @@ namespace waybar::modules::mpris {
 class Mpris : public AModule {
  public:
   Mpris(const std::string&, const Json::Value&);
-  ~Mpris();
-  auto update() -> void;
-  bool handleToggle(GdkEventButton* const&);
+  virtual ~Mpris();
+  auto update() -> void override;
+  bool handleToggle(GdkEventButton* const&) override;
 
  private:
   static auto onPlayerNameAppeared(PlayerctlPlayerManager*, PlayerctlPlayerName*, gpointer) -> void;
diff --git a/include/modules/network.hpp b/include/modules/network.hpp
index 8ec6b6df..49585913 100644
--- a/include/modules/network.hpp
+++ b/include/modules/network.hpp
@@ -21,8 +21,8 @@ namespace waybar::modules {
 class Network : public ALabel {
  public:
   Network(const std::string&, const Json::Value&);
-  ~Network();
-  auto update() -> void;
+  virtual ~Network();
+  auto update() -> void override;
 
  private:
   static const uint8_t MAX_RETRY = 5;
diff --git a/include/modules/pulseaudio.hpp b/include/modules/pulseaudio.hpp
index a8e4890a..d0b17e47 100644
--- a/include/modules/pulseaudio.hpp
+++ b/include/modules/pulseaudio.hpp
@@ -14,8 +14,8 @@ namespace waybar::modules {
 class Pulseaudio : public ALabel {
  public:
   Pulseaudio(const std::string&, const Json::Value&);
-  ~Pulseaudio();
-  auto update() -> void;
+  virtual ~Pulseaudio();
+  auto update() -> void override;
 
  private:
   static void subscribeCb(pa_context*, pa_subscription_event_type_t, uint32_t, void*);
@@ -25,7 +25,7 @@ class Pulseaudio : public ALabel {
   static void serverInfoCb(pa_context*, const pa_server_info*, void*);
   static void volumeModifyCb(pa_context*, int, void*);
 
-  bool handleScroll(GdkEventScroll* e);
+  bool handleScroll(GdkEventScroll* e) override;
   const std::vector<std::string> getPulseIcon() const;
 
   pa_threaded_mainloop* mainloop_;
diff --git a/include/modules/river/layout.hpp b/include/modules/river/layout.hpp
index ffa5e21e..dc78ee20 100644
--- a/include/modules/river/layout.hpp
+++ b/include/modules/river/layout.hpp
@@ -11,7 +11,7 @@ namespace waybar::modules::river {
 class Layout : public waybar::ALabel {
  public:
   Layout(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Layout();
+  virtual ~Layout();
 
   // Handlers for wayland events
   void handle_name(const char *name);
diff --git a/include/modules/river/mode.hpp b/include/modules/river/mode.hpp
index 2aff4950..246cecae 100644
--- a/include/modules/river/mode.hpp
+++ b/include/modules/river/mode.hpp
@@ -11,7 +11,7 @@ namespace waybar::modules::river {
 class Mode : public waybar::ALabel {
  public:
   Mode(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Mode();
+  virtual ~Mode();
 
   // Handlers for wayland events
   void handle_mode(const char *mode);
diff --git a/include/modules/river/tags.hpp b/include/modules/river/tags.hpp
index c2b1a119..fb3eefaa 100644
--- a/include/modules/river/tags.hpp
+++ b/include/modules/river/tags.hpp
@@ -14,7 +14,7 @@ namespace waybar::modules::river {
 class Tags : public waybar::AModule {
  public:
   Tags(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Tags();
+  virtual ~Tags();
 
   // Handlers for wayland events
   void handle_focused_tags(uint32_t tags);
diff --git a/include/modules/river/window.hpp b/include/modules/river/window.hpp
index 1f6c5252..bf29ebbf 100644
--- a/include/modules/river/window.hpp
+++ b/include/modules/river/window.hpp
@@ -13,7 +13,7 @@ namespace waybar::modules::river {
 class Window : public waybar::ALabel {
  public:
   Window(const std::string &, const waybar::Bar &, const Json::Value &);
-  ~Window();
+  virtual ~Window();
 
   // Handlers for wayland events
   void handle_focused_view(const char *title);
diff --git a/include/modules/simpleclock.hpp b/include/modules/simpleclock.hpp
index 5cbee4c6..43472ef0 100644
--- a/include/modules/simpleclock.hpp
+++ b/include/modules/simpleclock.hpp
@@ -10,8 +10,8 @@ namespace waybar::modules {
 class Clock : public ALabel {
  public:
   Clock(const std::string&, const Json::Value&);
-  ~Clock() = default;
-  auto update() -> void;
+  virtual ~Clock() = default;
+  auto update() -> void override;
 
  private:
   util::SleeperThread thread_;
diff --git a/include/modules/sndio.hpp b/include/modules/sndio.hpp
index eb9b218e..3fe36fad 100644
--- a/include/modules/sndio.hpp
+++ b/include/modules/sndio.hpp
@@ -12,12 +12,12 @@ namespace waybar::modules {
 class Sndio : public ALabel {
  public:
   Sndio(const std::string &, const Json::Value &);
-  ~Sndio();
-  auto update() -> void;
+  virtual ~Sndio();
+  auto update() -> void override;
   auto set_desc(struct sioctl_desc *, unsigned int) -> void;
   auto put_val(unsigned int, unsigned int) -> void;
-  bool handleScroll(GdkEventScroll *);
-  bool handleToggle(GdkEventButton *const &);
+  bool handleScroll(GdkEventScroll *) override;
+  bool handleToggle(GdkEventButton *const &) override;
 
  private:
   auto connect_to_sndio() -> void;
diff --git a/include/modules/sni/tray.hpp b/include/modules/sni/tray.hpp
index c1499b9e..6cda35d7 100644
--- a/include/modules/sni/tray.hpp
+++ b/include/modules/sni/tray.hpp
@@ -13,8 +13,8 @@ namespace waybar::modules::SNI {
 class Tray : public AModule {
  public:
   Tray(const std::string&, const Bar&, const Json::Value&);
-  ~Tray() = default;
-  auto update() -> void;
+  virtual ~Tray() = default;
+  auto update() -> void override;
 
  private:
   void onAdd(std::unique_ptr<Item>& item);
diff --git a/include/modules/sway/language.hpp b/include/modules/sway/language.hpp
index f7602765..3e9519f5 100644
--- a/include/modules/sway/language.hpp
+++ b/include/modules/sway/language.hpp
@@ -17,8 +17,8 @@ namespace waybar::modules::sway {
 class Language : public ALabel, public sigc::trackable {
  public:
   Language(const std::string& id, const Json::Value& config);
-  ~Language() = default;
-  auto update() -> void;
+  virtual ~Language() = default;
+  auto update() -> void override;
 
  private:
   enum class DispayedShortFlag { None = 0, ShortName = 1, ShortDescription = 1 << 1 };
diff --git a/include/modules/sway/mode.hpp b/include/modules/sway/mode.hpp
index 5543c4eb..44585355 100644
--- a/include/modules/sway/mode.hpp
+++ b/include/modules/sway/mode.hpp
@@ -13,8 +13,8 @@ namespace waybar::modules::sway {
 class Mode : public ALabel, public sigc::trackable {
  public:
   Mode(const std::string&, const Json::Value&);
-  ~Mode() = default;
-  auto update() -> void;
+  virtual ~Mode() = default;
+  auto update() -> void override;
 
  private:
   void onEvent(const struct Ipc::ipc_response&);
diff --git a/include/modules/sway/scratchpad.hpp b/include/modules/sway/scratchpad.hpp
index e68e7726..551cc8c8 100644
--- a/include/modules/sway/scratchpad.hpp
+++ b/include/modules/sway/scratchpad.hpp
@@ -15,8 +15,8 @@ namespace waybar::modules::sway {
 class Scratchpad : public ALabel {
  public:
   Scratchpad(const std::string&, const Json::Value&);
-  ~Scratchpad() = default;
-  auto update() -> void;
+  virtual ~Scratchpad() = default;
+  auto update() -> void override;
 
  private:
   auto getTree() -> void;
@@ -32,4 +32,4 @@ class Scratchpad : public ALabel {
   Ipc ipc_;
   util::JsonParser parser_;
 };
-}  // namespace waybar::modules::sway
\ No newline at end of file
+}  // namespace waybar::modules::sway
diff --git a/include/modules/sway/window.hpp b/include/modules/sway/window.hpp
index e99e94f1..22f5a59c 100644
--- a/include/modules/sway/window.hpp
+++ b/include/modules/sway/window.hpp
@@ -15,8 +15,8 @@ namespace waybar::modules::sway {
 class Window : public AIconLabel, public sigc::trackable {
  public:
   Window(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Window() = default;
-  auto update() -> void;
+  virtual ~Window() = default;
+  auto update() -> void override;
 
  private:
   void setClass(std::string classname, bool enable);
diff --git a/include/modules/sway/workspaces.hpp b/include/modules/sway/workspaces.hpp
index f8a55fa3..d07edb49 100644
--- a/include/modules/sway/workspaces.hpp
+++ b/include/modules/sway/workspaces.hpp
@@ -18,8 +18,8 @@ namespace waybar::modules::sway {
 class Workspaces : public AModule, public sigc::trackable {
  public:
   Workspaces(const std::string&, const waybar::Bar&, const Json::Value&);
-  ~Workspaces() = default;
-  auto update() -> void;
+  virtual ~Workspaces() = default;
+  auto update() -> void override;
 
  private:
   static constexpr std::string_view workspace_switch_cmd_ = "workspace {} \"{}\"";
@@ -37,7 +37,7 @@ class Workspaces : public AModule, public sigc::trackable {
   const std::string getCycleWorkspace(std::vector<Json::Value>::iterator, bool prev) const;
   uint16_t getWorkspaceIndex(const std::string& name) const;
   std::string trimWorkspaceName(std::string);
-  bool handleScroll(GdkEventScroll*);
+  bool handleScroll(GdkEventScroll*) override;
 
   const Bar& bar_;
   std::vector<Json::Value> workspaces_;
diff --git a/include/modules/temperature.hpp b/include/modules/temperature.hpp
index 04caafc5..5440df77 100644
--- a/include/modules/temperature.hpp
+++ b/include/modules/temperature.hpp
@@ -12,8 +12,8 @@ namespace waybar::modules {
 class Temperature : public ALabel {
  public:
   Temperature(const std::string&, const Json::Value&);
-  ~Temperature() = default;
-  auto update() -> void;
+  virtual ~Temperature() = default;
+  auto update() -> void override;
 
  private:
   float getTemperature();
diff --git a/include/modules/upower/upower.hpp b/include/modules/upower/upower.hpp
index 2724443f..51fee0a3 100644
--- a/include/modules/upower/upower.hpp
+++ b/include/modules/upower/upower.hpp
@@ -19,8 +19,8 @@ namespace waybar::modules::upower {
 class UPower : public AModule {
  public:
   UPower(const std::string &, const Json::Value &);
-  ~UPower();
-  auto update() -> void;
+  virtual ~UPower();
+  auto update() -> void override;
 
  private:
   typedef std::unordered_map<std::string, UpDevice *> Devices;
@@ -45,7 +45,7 @@ class UPower : public AModule {
   void resetDevices();
   void removeDevices();
   bool show_tooltip_callback(int, int, bool, const Glib::RefPtr<Gtk::Tooltip> &tooltip);
-  bool handleToggle(GdkEventButton *const &);
+  bool handleToggle(GdkEventButton *const &) override;
   std::string timeToString(gint64 time);
 
   const std::string getDeviceStatus(UpDeviceState &state);
diff --git a/include/modules/upower/upower_tooltip.hpp b/include/modules/upower/upower_tooltip.hpp
index 730ee93e..05e9dcb3 100644
--- a/include/modules/upower/upower_tooltip.hpp
+++ b/include/modules/upower/upower_tooltip.hpp
@@ -24,7 +24,7 @@ class UPowerTooltip : public Gtk::Window {
 
  public:
   UPowerTooltip(uint iconSize, uint tooltipSpacing, uint tooltipPadding);
-  ~UPowerTooltip();
+  virtual ~UPowerTooltip();
 
   uint updateTooltip(Devices& devices);
 };
diff --git a/include/modules/user.hpp b/include/modules/user.hpp
index ac14d25f..bcb03da4 100644
--- a/include/modules/user.hpp
+++ b/include/modules/user.hpp
@@ -11,8 +11,8 @@ namespace waybar::modules {
 class User : public AIconLabel {
  public:
   User(const std::string&, const Json::Value&);
-  ~User() = default;
-  auto update() -> void;
+  virtual ~User() = default;
+  auto update() -> void override;
 
   bool handleToggle(GdkEventButton* const& e) override;
 
diff --git a/include/modules/wireplumber.hpp b/include/modules/wireplumber.hpp
index fa988fcf..5cf462e9 100644
--- a/include/modules/wireplumber.hpp
+++ b/include/modules/wireplumber.hpp
@@ -13,8 +13,8 @@ namespace waybar::modules {
 class Wireplumber : public ALabel {
  public:
   Wireplumber(const std::string&, const Json::Value&);
-  ~Wireplumber();
-  auto update() -> void;
+  virtual ~Wireplumber();
+  auto update() -> void override;
 
  private:
   void loadRequiredApiModules();