Version 2.18.0-257.0.dev

Merge commit '5eb920d40f5c01fcbe38bfaca30c605dcb2f8f0f' into 'dev'
diff --git a/tools/VERSION b/tools/VERSION
index 4a27978..266dba5 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 2
 MINOR 18
 PATCH 0
-PRERELEASE 0
-PRERELEASE_PATCH 0
+PRERELEASE 257
+PRERELEASE_PATCH 0
\ No newline at end of file