diff --git a/jdk/make/common/shared/Defs-versions.gmk b/jdk/make/common/shared/Defs-versions.gmk
index 327f3a49b01..870ae229f3b 100644
--- a/jdk/make/common/shared/Defs-versions.gmk
+++ b/jdk/make/common/shared/Defs-versions.gmk
@@ -191,7 +191,7 @@ endif
 
 # Generic
 REQUIRED_ANT_VER          = 1.6.3
-REQUIRED_BOOT_VER         = 1.5
+REQUIRED_BOOT_VER         = 1.6
 REQUIRED_FREETYPE_VERSION = 2.3.0
 REQUIRED_MAKE_VER         = 3.78
 REQUIRED_UNZIP_VER        = 5.12