2.3.1

Change-Id: I9096a5b7a8e85274cac23d88635d3f49e6698cd8
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 93199c2..8217f41 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 2.3
+  PLATFORM_VERSION := 2.3.1
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"