diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 483ebfa..b2421ca 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -150,7 +150,7 @@ TARGET_RECOVERY_UPDATER_LIBS := librecovery_updater_xiaomi
 TARGET_RELEASETOOLS_EXTENSIONS := $(COMMON_PATH)
 
 # Security patch level
-VENDOR_SECURITY_PATCH := 2021-05-01
+VENDOR_SECURITY_PATCH := 2021-09-01
 
 # Sepolicy
 TARGET_SEPOLICY_DIR := msmsteppe