diff --git a/qtile/.config/qtile/Keys.py b/qtile/.config/qtile/Keys.py
index 704dd42..d81b48b 100644
--- a/qtile/.config/qtile/Keys.py
+++ b/qtile/.config/qtile/Keys.py
@@ -4,6 +4,9 @@ from libqtile.command import lazy
 from defines import mod, term
 
 keys = [
+    #screen lock
+    Key([], "Pause" , lazy.spawn('dm-tool lock'),desc="locks session"),
+
     #moving focus aroung
     Key([mod], "h", lazy.layout.left(),desc="move focus left"),
     Key([mod], "l", lazy.layout.right(),desc="move focus right"),