diff --git a/.config/i3/layers/config.post-main-00-security b/.config/i3/layers/config.post-main-00-security
index 052d26a..754a625 100644
--- a/.config/i3/layers/config.post-main-00-security
+++ b/.config/i3/layers/config.post-main-00-security
@@ -7,3 +7,6 @@ bindsym $mod+Ctrl+Shift+l exec --no-startup-id dmenuxautolock -t 0 -n 0
 
 # Run i3hwlock
 exec_always --no-startup-id pgrep i3hwlock || i3hwlock
+
+# Start authentication agent
+exec_always --no-startup-id $auth_agent
diff --git a/.config/i3/layers/config.pre-main-00-vars b/.config/i3/layers/config.pre-main-00-vars
index ea1b3ba..f56b1e8 100644
--- a/.config/i3/layers/config.pre-main-00-vars
+++ b/.config/i3/layers/config.pre-main-00-vars
@@ -15,3 +15,5 @@ set $browser firefox
 set $terminal kitty
 
 set $flashfocus_bin /opt/dotfiles/pyenv/bin/flashfocus
+
+set $auth_agent /usr/lib/mate-polkit/polkit-mate-authentication-agent-1