diff --git a/radixdlt-core/README.md b/radixdlt-core/README.md
index 1a1dde5ce3..cbee5cb3b6 100644
--- a/radixdlt-core/README.md
+++ b/radixdlt-core/README.md
@@ -19,7 +19,7 @@ git clone https://github.com/radixdlt/radixdlt.git
 
 Checkout the required branch:
 ```
-cd radixdlt && git checkout release/1.0-beta.26
+cd radixdlt && git checkout release/1.0-beta.27
 ```
 
 Run tests (note that integration tests take several minutes to run):