diff --git a/manifest.xml b/manifest.xml
index 899bcc7..a4b790b 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -3,7 +3,7 @@
 <remote name="phh" fetch="https://github.com/phhusson/" />
 
 <remove-project name="platform/build" />
-<project path="build/make" name="platform_build" remote="phh" revision="android-vts-8.0_r4-phh">
+<project path="build/make" name="platform_build" remote="phh" revision="android-8.1.0_r1-phh">
     <copyfile dest="Makefile" src="core/root.mk" />
     <linkfile dest="build/CleanSpec.mk" src="CleanSpec.mk" />
     <linkfile dest="build/buildspec.mk.default" src="buildspec.mk.default" />
@@ -13,29 +13,17 @@
     <linkfile dest="build/tools" src="tools" />
 </project>
 
-<remove-project name="device/generic/armv7-a-neon" />
-<project path="device/generic/armv7-a-neon" name="device_generic_armv7-a-neon" remote="phh" revision="android-vts-8.0_r4-phh" />
-
 <remove-project name="platform/frameworks/av" />
-<project path="frameworks/av" name="platform_frameworks_av" remote="phh" revision="android-vts-8.0_r4-phh" />
-
-<remove-project name="platform/frameworks/base" />
-<project path="frameworks/base" name="platform_frameworks_base" remote="phh" revision="android-vts-8.0_r4-phh" />
-
-<remove-project name="platform/frameworks/opt/net/wifi" />
-<project path="frameworks/opt/net/wifi" name="platform_frameworks_opt_net_wifi" remote="phh" revision="android-vts-8.0_r4-phh" />
+<project path="frameworks/av" name="platform_frameworks_av" remote="phh" revision="android-8.1.0_r1-phh" />
 
 <remove-project name="platform/system/core" />
-<project path="system/core" name="platform_system_core" remote="phh" revision="android-vts-8.0_r4-phh" />
+<project path="system/core" name="platform_system_core" remote="phh" revision="android-8.1.0_r1-phh" />
 
-<remove-project name="platform/system/vold" />
-<project path="system/vold" name="platform_system_vold" remote="phh" revision="android-vts-8.0_r4-phh" />
+<remove-project name="platform/system/libhidl" />
+<project path="system/libhidl" name="platform_system_libhidl" remote="phh" revision="android-8.1.0_r1-phh" />
 
-<remove-project name="platform/system/netd" />
-<project path="system/netd" name="platform_system_netd" remote="phh" revision="android-vts-8.0_r4-phh" />
-
-<remove-project name="platform/packages/services/Telephony" />
-<project path="packages/services/Telephony" name="platform_packages_services_Telephony" remote="phh" revision="android-vts-8.0_r4-phh" />
+<remove-project name="platform/system/sepolicy" />
+<project path="system/sepolicy" name="platform_system_sepolicy" remote="phh" revision="android-8.1.0_r1-phh" />
 
 <project path="vendor/hardware_overlay" name="vendor_hardware_overlay" remote="phh" revision="master" />
 </manifest>