diff --git a/phosphor-gpio-monitor@.service b/phosphor-gpio-monitor@.service
index 02572a2..e279169 100644
--- a/phosphor-gpio-monitor@.service
+++ b/phosphor-gpio-monitor@.service
@@ -1,5 +1,9 @@
 [Unit]
 Description=Phosphor GPIO %I monitor
+Requires=dev-platform_gpio_keys.device
+After=dev-platform_gpio_keys.device
+Requires=dev-platform_gpio_keys_polled.device
+After=dev-platform_gpio_keys_polled.device
 
 [Service]
 Restart=no