diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c
index 965d9b1..92a100d 100644
--- a/drivers/gpio/max7301.c
+++ b/drivers/gpio/max7301.c
@@ -16,6 +16,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/max7301.h>