diff --git a/chromeos/config/chromeos_version.sh b/chromeos/config/chromeos_version.sh
index fc48687..e2b6f99 100755
--- a/chromeos/config/chromeos_version.sh
+++ b/chromeos/config/chromeos_version.sh
@@ -19,7 +19,7 @@
 # Release Branch number.
 # Increment by 1 for every release build on a branch.
 # Reset to 0 when increasing release build number.
-export CHROMEOS_BRANCH=19
+export CHROMEOS_BRANCH=20
 
 # Patch number.
 # Increment by 1 in case a non-scheduled branch release build is necessary.