diff --git a/BUILD b/BUILD
index 192606d8b61..71df75dc8b2 100644
--- a/BUILD
+++ b/BUILD
@@ -66,7 +66,7 @@ config_setting(
 # This should be updated along with build.yaml
 g_stands_for = "gizmo"
 
-core_version = "7.0.0-dev"
+core_version = "7.0.0-pre1"
 
 version = "1.17.0-pre1"
 
diff --git a/build.yaml b/build.yaml
index 32aeea9d64b..044976f0ca9 100644
--- a/build.yaml
+++ b/build.yaml
@@ -12,7 +12,7 @@ settings:
   '#08': Use "-preN" suffixes to identify pre-release versions
   '#09': Per-language overrides are possible with (eg) ruby_version tag here
   '#10': See the expand_version.py for all the quirks here
-  core_version: 7.0.0-dev
+  core_version: 7.0.0-pre1
   g_stands_for: gizmo
   version: 1.17.0-pre1
 filegroups: