diff --git a/.config/i3/config b/.config/i3/config
index 25bb3ff..31ea06b 100644
--- a/.config/i3/config
+++ b/.config/i3/config
@@ -262,6 +262,8 @@ exec --no-startup-id nm-applet
 # xss-lock grabs a logind suspend inhibit lock and will use i3lock to lock the
 # screen before suspend. Use loginctl lock-session to lock your screen.
 
+# set lock timeout to 20 minutes
+exec_always --no-startup-id xset dpms 0 0 1200 &
 exec --no-startup-id xss-lock --transfer-sleep-lock -- ~/.config/i3/scripts/lock.sh
 
 
diff --git a/modules/graphical/shared.nix b/modules/graphical/shared.nix
index 2aa300a..4f9efcb 100644
--- a/modules/graphical/shared.nix
+++ b/modules/graphical/shared.nix
@@ -78,8 +78,9 @@ in {
       brightnessctl
       #wacomtablet
       wl-clipboard
-      libsForQt5.kolourpaint
-      libsForQt5.kcalc
+      pinta
+      qalculate-qt
+      #libsForQt5.kcalc
       syncthingtray
       v4l-utils
       logseq