diff --git a/core/build_id.mk b/core/build_id.mk
index 57551798619420ab1e64d4afb41798e75872f58a..12117e538d0714c484e0afe16d0a506a8506288e 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=v1.0-rc5
+export BUILD_ID=v1.0-rc6