--- a/make/autoconf/version-numbers	Thu Dec 13 17:01:15 2018 +0100
+++ b/make/autoconf/version-numbers	Thu Dec 13 19:06:11 2018 +0100
@@ -25,17 +25,17 @@
 
 # Default version numbers to use unless overridden by configure
 
-DEFAULT_VERSION_FEATURE=12
+DEFAULT_VERSION_FEATURE=13
 DEFAULT_VERSION_INTERIM=0
 DEFAULT_VERSION_UPDATE=0
 DEFAULT_VERSION_PATCH=0
 DEFAULT_VERSION_EXTRA1=0
 DEFAULT_VERSION_EXTRA2=0
 DEFAULT_VERSION_EXTRA3=0
-DEFAULT_VERSION_DATE=2019-03-19
-DEFAULT_VERSION_CLASSFILE_MAJOR=56  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
+DEFAULT_VERSION_DATE=2019-09-17
+DEFAULT_VERSION_CLASSFILE_MAJOR=57  # "`$EXPR $DEFAULT_VERSION_FEATURE + 44`"
 DEFAULT_VERSION_CLASSFILE_MINOR=0
-DEFAULT_ACCEPTABLE_BOOT_VERSIONS="11 12"
+DEFAULT_ACCEPTABLE_BOOT_VERSIONS="11 12 13"
 
 LAUNCHER_NAME=openjdk
 PRODUCT_NAME=OpenJDK