diff --git a/gnu/packages/raspberry-pi.scm b/gnu/packages/raspberry-pi.scm
index fb6434f57d..c4f03c3ed9 100644
--- a/gnu/packages/raspberry-pi.scm
+++ b/gnu/packages/raspberry-pi.scm
@@ -85,7 +85,7 @@ used in the Raspberry Pi")
     (supported-systems '("armhf-linux" "aarch64-linux"))
     (license license:gpl3)))
 
-(define raspi-gpio
+(define-public raspi-gpio
   (let ((commit "6d0769ac04760b6e9f33b4aa1f11c682237bf368")
         (revision "1"))
     (package