diff --git a/snapcraft.yaml b/snapcraft.yaml
index 5aa9d70..71d584b 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -7,6 +7,90 @@ type: gadget
 architectures:
   - armhf
 confinement: strict
+
+slots:
+  bcm-gpio-0:
+    interface: gpio
+    number: 0
+  bcm-gpio-1:
+    interface: gpio
+    number: 1
+  bcm-gpio-2:
+    interface: gpio
+    number: 2
+  bcm-gpio-3:
+    interface: gpio
+    number: 3
+  bcm-gpio-4:
+    interface: gpio
+    number: 4
+  bcm-gpio-5:
+    interface: gpio
+    number: 5
+  bcm-gpio-6:
+    interface: gpio
+    number: 6
+  bcm-gpio-7:
+    interface: gpio
+    number: 7
+  bcm-gpio-8:
+    interface: gpio
+    number: 8
+  bcm-gpio-9:
+    interface: gpio
+    number: 9
+  bcm-gpio-10:
+    interface: gpio
+    number: 10
+  bcm-gpio-11:
+    interface: gpio
+    number: 11
+  bcm-gpio-12:
+    interface: gpio
+    number: 12
+  bcm-gpio-13:
+    interface: gpio
+    number: 13
+  bcm-gpio-14:
+    interface: gpio
+    number: 14
+  bcm-gpio-15:
+    interface: gpio
+    number: 15
+  bcm-gpio-16:
+    interface: gpio
+    number: 16
+  bcm-gpio-17:
+    interface: gpio
+    number: 17
+  bcm-gpio-18:
+    interface: gpio
+    number: 18
+  bcm-gpio-19:
+    interface: gpio
+    number: 19
+  bcm-gpio-20:
+    interface: gpio
+    number: 20
+  bcm-gpio-21:
+    interface: gpio
+    number: 21
+  bcm-gpio-22:
+    interface: gpio
+    number: 22
+  bcm-gpio-23:
+    interface: gpio
+    number: 23
+  bcm-gpio-24:
+    interface: gpio
+    number: 24
+  bcm-gpio-25:
+    interface: gpio
+    number: 25
+  bcm-gpio-26:
+    interface: gpio
+    number: 26
+
 grade: stable
 parts:
     prebuilt: