diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index ba4b9e4..a5af6b7 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -188,7 +188,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-      PLATFORM_SECURITY_PATCH := 2017-08-05
+      PLATFORM_SECURITY_PATCH := 2017-09-05
 endif
 
 ifndef PLATFORM_BASE_OS