diff --git a/BUILD b/BUILD
index 79e3aeb8491..1063b74f068 100644
--- a/BUILD
+++ b/BUILD
@@ -36,7 +36,7 @@ load(
 # This should be updated along with build.yaml
 g_stands_for = "generous"
 
-core_version = "4.0.0-dev"
+core_version = "5.0.0-dev"
 
 version = "1.8.0-dev"