diff --git a/linux-5.10/rk3568/arch/arm64_defconfig b/linux-5.10/rk3568/arch/arm64_defconfig
index 6c1b3de3b9bea9f8fba7f98e45c90740d4886f6a..1ba71ace6ab4f02f4af544552e56595af6776ed9 100644
--- a/linux-5.10/rk3568/arch/arm64_defconfig
+++ b/linux-5.10/rk3568/arch/arm64_defconfig
@@ -5463,6 +5463,7 @@ CONFIG_FS_ENCRYPTION_ALGS=y
 CONFIG_FS_VERITY=y
 CONFIG_FS_VERITY_BUILTIN_SIGNATURES=y
 CONFIG_SECURITY_CODE_SIGN=y
+CONFIG_SECURITY_DEC=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_FANOTIFY is not set
 CONFIG_QUOTA=y