diff --git a/config.h b/config.h
index 0b2d35d..8d568d4 100644
--- a/config.h
+++ b/config.h
@@ -64,6 +64,8 @@ static const Layout layouts[] = {
 static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
 static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
 static const char *termcmd[]  = { "alacritty", NULL };
+static const char *brightnessup[] = { "sudo", "brightnessctl", "set", "+10%", NULL};
+static const char *brightnessdown[] = { "sudo", "brightnessctl", "set", "10%-", NULL};
 
 static Key keys[] = {
 	/* modifier                     key        function        argument */
@@ -106,6 +108,8 @@ static Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+	{ MODKEY,                       0x1008ff02,spawn,          {.v = brightnessup} },
+	{ MODKEY,                       0x1008ff03,spawn,          {.v = brightnessdown} },
 };
 
 /* button definitions */