diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 8e4b7473ab..22c068aad3 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -70,7 +70,7 @@ ifeq "" "$(PLATFORM_SECURITY_PATCH)"
   # 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 := 2017-07-05
+  PLATFORM_SECURITY_PATCH := 2017-09-01
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"