diff --git a/jdk/make/data/mainmanifest/manifest.mf b/jdk/make/data/mainmanifest/manifest.mf
index 25b7a8b7e9c..2ea4da616b6 100644
--- a/jdk/make/data/mainmanifest/manifest.mf
+++ b/jdk/make/data/mainmanifest/manifest.mf
@@ -1,6 +1,6 @@
 Manifest-Version: 1.0
 Specification-Title: Java Platform API Specification
-Specification-Version: 1.8
+Specification-Version: 1.9
 Specification-Vendor: Oracle Corporation
 Implementation-Title: Java Runtime Environment
 Implementation-Version: @@RELEASE@@