diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 526c18dd37f3..7dd6b179c0e1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -892,6 +892,7 @@ config ARCH_RK30
 	select MIGHT_HAVE_CACHE_L2X0
 	select ARM_ERRATA_764369
 	select ARM_ERRATA_754322
+	select ARM_ERRATA_775420
 	help
 	  Support for Rockchip's RK30xx/RK31xx SoCs.