diff --git a/docs/projects/micro-coin.md b/docs/projects/micro-coin.md
index 814ce3ba..ce969248 100644
--- a/docs/projects/micro-coin.md
+++ b/docs/projects/micro-coin.md
@@ -83,5 +83,5 @@ The [radio-blockchain](https://makecode.microbit.org/pkg/microsoft/pxt-radio-blo
 
 ```package
 radio
-radio-blockchain=github:Microsoft/pxt-radio-blockchain
+radio-blockchain=github:Microsoft/pxt-radio-blockchain#master
 ```
\ No newline at end of file