diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8997e49..fadcc5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # 0.4.5
 
  * Make it possible to delete revisions
+ * Make it possible to force-lock the screen even if idle timer hasn't tripped
+ * Add shortcuts for lock and unlock of screen
 
 # 0.4.4.1
 
diff --git a/bouquin/locales/en.json b/bouquin/locales/en.json
index a769ceb..b5dd4b9 100644
--- a/bouquin/locales/en.json
+++ b/bouquin/locales/en.json
@@ -88,6 +88,7 @@
     "key_prompt_enter_key": "Enter key",
     "lock_overlay_locked_due_to_inactivity": "Locked due to inactivity",
     "lock_overlay_unlock": "Unlock",
+    "main_window_lock_screen_accessibility": "&Lock screen",
     "main_window_ready": "Ready",
     "main_window_save_a_version": "Save a version",
     "main_window_settings_accessible_flag": "Settin&gs",
diff --git a/bouquin/lock_overlay.py b/bouquin/lock_overlay.py
index 61a52e5..42e92e1 100644
--- a/bouquin/lock_overlay.py
+++ b/bouquin/lock_overlay.py
@@ -27,6 +27,7 @@ class LockOverlay(QWidget):
 
         self._btn = QPushButton(strings._("lock_overlay_unlock"), self)
         self._btn.setObjectName("unlockButton")
+        self._btn.setShortcut("Ctrl+Shift+U")
         self._btn.setFixedWidth(200)
         self._btn.setCursor(Qt.PointingHandCursor)
         self._btn.setAutoDefault(True)
diff --git a/bouquin/main_window.py b/bouquin/main_window.py
index aa9d9a1..45e213f 100644
--- a/bouquin/main_window.py
+++ b/bouquin/main_window.py
@@ -226,6 +226,10 @@ class MainWindow(QMainWindow):
         act_stats.setShortcut("Ctrl+Shift+S")
         act_stats.triggered.connect(self._open_statistics)
         file_menu.addAction(act_stats)
+        act_lock = QAction(strings._("main_window_lock_screen_accessibility"), self)
+        act_lock.setShortcut("Ctrl+Shift+L")
+        act_lock.triggered.connect(self._enter_lock)
+        file_menu.addAction(act_lock)
         file_menu.addSeparator()
         act_quit = QAction("&" + strings._("quit"), self)
         act_quit.setShortcut("Ctrl+Q")