diff --git a/rskj-core/src/main/resources/config/rsk-sample.conf b/rskj-core/src/main/resources/config/rsk-sample.conf
index 223796629e5..39e8ca17ca7 100644
--- a/rskj-core/src/main/resources/config/rsk-sample.conf
+++ b/rskj-core/src/main/resources/config/rsk-sample.conf
@@ -65,7 +65,7 @@ peer {
     privateKey = <PRIVATE_KEY>
 
     # Network id
-    networkId = 777
+    networkId = 778
 
     p2p {
         # max frame size in bytes when framing is enabled
diff --git a/rskj-core/src/main/resources/version.properties b/rskj-core/src/main/resources/version.properties
index 944761cacd1..34590d65b3c 100644
--- a/rskj-core/src/main/resources/version.properties
+++ b/rskj-core/src/main/resources/version.properties
@@ -1,2 +1,2 @@
-versionNumber='0.2.5'
-modifier="GINGER"
+versionNumber='0.3.0'
+modifier="BAMBOO"