diff --git a/toolchain/toolchain-external/toolchain-external-arm-arm/Config.in b/toolchain/toolchain-external/toolchain-external-arm-arm/Config.in
index 4ec61f2d07..0449737889 100644
--- a/toolchain/toolchain-external/toolchain-external-arm-arm/Config.in
+++ b/toolchain/toolchain-external/toolchain-external-arm-arm/Config.in
@@ -4,7 +4,7 @@ comment "Arm toolchains available for Cortex-A + EABIhf"
 	depends on !BR2_STATIC_LIBS
 
 config BR2_TOOLCHAIN_EXTERNAL_ARM_ARM
-	bool "Arm ARM 2018.08"
+	bool "Arm ARM 2018.11"
 	depends on BR2_arm
 	depends on BR2_ARM_CPU_ARMV7A || BR2_ARM_CPU_ARMV8A
 	depends on BR2_HOSTARCH = "x86_64"
@@ -14,7 +14,7 @@ config BR2_TOOLCHAIN_EXTERNAL_ARM_ARM
 	select BR2_TOOLCHAIN_HAS_SSP
 	select BR2_TOOLCHAIN_HAS_NATIVE_RPC
 	select BR2_INSTALL_LIBSTDCPP
-	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-arm/toolchain-external-arm-arm.hash b/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.hash
index f13c43a7ef..cd7f526547 100644
--- a/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.hash
+++ b/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.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-arm-linux-gnueabihf.tar.xz.asc
-md5 dc7455746d90259337fb88c3e67f8855 gcc-arm-8.2-2018.08-x86_64-arm-linux-gnueabihf.tar.xz
+# From https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-2018.11/gcc-arm-8.2-2018.11-x86_64-arm-linux-gnueabihf.tar.xz.asc
+md5 59ccf965837ed1c5ba59e5ad4b688b21 gcc-arm-8.2-2018.11-x86_64-arm-linux-gnueabihf.tar.xz
 # locally calculated
-sha256 5b3f20e1327edc3073e545a5bd3d15f33e7f94181ff4e37a76e95924c1b439b9 gcc-arm-8.2-2018.08-x86_64-arm-linux-gnueabihf.tar.xz
+sha256 3f9bc7a68f744a5edc7caebff5f3f2c3bc1ff9d8ac8b05f7680a0071461deede gcc-arm-8.2-2018.11-x86_64-arm-linux-gnueabihf.tar.xz
diff --git a/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.mk b/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.mk
index 03de21a28a..0c21affd7b 100644
--- a/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.mk
+++ b/toolchain/toolchain-external/toolchain-external-arm-arm/toolchain-external-arm-arm.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-TOOLCHAIN_EXTERNAL_ARM_ARM_VERSION = 2018.08
+TOOLCHAIN_EXTERNAL_ARM_ARM_VERSION = 2018.11
 TOOLCHAIN_EXTERNAL_ARM_ARM_SITE = https://developer.arm.com/-/media/Files/downloads/gnu-a/8.2-$(TOOLCHAIN_EXTERNAL_ARM_ARM_VERSION)
 
 TOOLCHAIN_EXTERNAL_ARM_ARM_SOURCE = gcc-arm-8.2-$(TOOLCHAIN_EXTERNAL_ARM_ARM_VERSION)-x86_64-arm-linux-gnueabihf.tar.xz