diff --git a/core/config.mk b/core/config.mk
index d9f14fa..9489bc8 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -882,7 +882,7 @@
 # is made which breaks compatibility with the previous platform sepolicy version,
 # not just on every increase in PLATFORM_SDK_VERSION.  The minor version should
 # be reset to 0 on every bump of the PLATFORM_SDK_VERSION.
-sepolicy_major_vers := 27
+sepolicy_major_vers := 28
 sepolicy_minor_vers := 0
 
 ifneq ($(sepolicy_major_vers), $(PLATFORM_SDK_VERSION))
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index f870896..1bf3f1a 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -75,7 +75,7 @@
 # please add that PLATFORM_VERSION as well as clean up obsolete PLATFORM_VERSION's
 # in the following text file:
 # cts/tests/tests/os/assets/platform_versions.txt
-PLATFORM_VERSION.PPR1 := P
+PLATFORM_VERSION.PPR1 := 9
 
 # These are the current development codenames, if the build is not a final
 # release build.  If this is a final release build, it is simply "REL".
@@ -106,7 +106,7 @@
   # When you increment the PLATFORM_SDK_VERSION please ensure you also
   # clear out the following text file of all older PLATFORM_VERSION's:
   # cts/tests/tests/os/assets/platform_versions.txt
-  PLATFORM_SDK_VERSION := 27
+  PLATFORM_SDK_VERSION := 28
 endif
 
 ifndef PLATFORM_VERSION_CODENAME