diff --git a/toolchain/toolchain-external/toolchain-external-arm-aarch64/Config.in b/toolchain/toolchain-external/toolchain-external-arm-aarch64/Config.in
index ba627129cb..fbb5e025e8 100644
--- a/toolchain/toolchain-external/toolchain-external-arm-aarch64/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-arm-aarch64/Config.in
@@ -1,5 +1,5 @@
 config BR2_TOOLCHAIN_EXTERNAL_ARM_AARCH64
-	bool "Arm AArch64 2018.08"
+	bool "Arm AArch64 2018.11"
 	depends on BR2_aarch64
 	depends on BR2_HOSTARCH = "x86_64"
 	depends on !BR2_STATIC_LIBS
@@ -7,7 +7,7 @@ config BR2_TOOLCHAIN_EXTERNAL_ARM_AARCH64
 	select BR2_TOOLCHAIN_HAS_SSP
 	select BR2_INSTALL_LIBSTDCPP
 	select BR2_TOOLCHAIN_HAS_NATIVE_RPC
-	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_18
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_8
 	select BR2_TOOLCHAIN_HAS_FORTRAN
 	help
diff --git a/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.hash b/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.hash
index d651bb0182..cda90f7517 100644
--- a/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.hash
+++ b/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.hash
@@ -1,4 +1,4 @@
-# From https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2018.08/gcc-arm-8.2-2018.08-x86_64-aarch64-linux-gnu.tar.xz.asc
-md5 1c47f4edc431cf19604a9f1b09975269 gcc-arm-8.2-2018.08-x86_64-aarch64-linux-gnu.tar.xz
+# From https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2018.11/gcc-arm-8.2-2018.11-x86_64-aarch64-linux-gnu.tar.xz.asc
+md5 319ca548ff05b0ec1008988a7e5ab619 gcc-arm-8.2-2018.11-x86_64-aarch64-linux-gnu.tar.xz
 # locally calculated
-sha256 3e60644846ac60693e58ad71a319d64c5f7bcf95ff34411272c8d9674f85648f gcc-arm-8.2-2018.08-x86_64-aarch64-linux-gnu.tar.xz
+sha256 0142366da2f30feb1c366997cbdaa02286c8f1aa527c0fc177ee5ce8e77970fc gcc-arm-8.2-2018.11-x86_64-aarch64-linux-gnu.tar.xz
diff --git a/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.mk b/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.mk
index 515b66cd79..0398bd1297 100644
--- a/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.mk
+++ b/toolchain/toolchain-external/toolchain-external-arm-aarch64/toolchain-external-arm-aarch64.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TOOLCHAIN_EXTERNAL_ARM_AARCH64_VERSION = 2018.08
+TOOLCHAIN_EXTERNAL_ARM_AARCH64_VERSION = 2018.11
 TOOLCHAIN_EXTERNAL_ARM_AARCH64_SITE = https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-$(TOOLCHAIN_EXTERNAL_ARM_AARCH64_VERSION)
 
 TOOLCHAIN_EXTERNAL_ARM_AARCH64_SOURCE = gcc-arm-8.2-$(TOOLCHAIN_EXTERNAL_ARM_AARCH64_VERSION)-x86_64-aarch64-linux-gnu.tar.xz