diff --git a/board/qemu/aarch64-ebbr/readme.txt b/board/qemu/aarch64-ebbr/readme.txt
index a2027dad44..76d566045d 100644
--- a/board/qemu/aarch64-ebbr/readme.txt
+++ b/board/qemu/aarch64-ebbr/readme.txt
@@ -33,7 +33,7 @@ Run the emulation with:
       -device virtio-net-device,netdev=eth0 \
       -device virtio-rng-device,rng=rng0 \
       -drive file=output/images/disk.img,if=none,format=raw,id=hd0 \
-      -m 1024 \
+      -m 2048 \
       -netdev user,id=eth0 \
       -no-acpi \
       -nographic \
@@ -72,7 +72,7 @@ Then run the OS installer iso image on emulation with:
       -device virtio-rng-device,rng=rng0 \
       -drive file=<iso>,if=none,format=raw,readonly=on,id=hd0 \
       -drive file=disk.qcow2,if=none,id=hd1 \
-      -m 1024 \
+      -m 2048 \
       -netdev user,id=eth0 \
       -no-acpi \
       -nographic \
@@ -100,4 +100,4 @@ Firmware update is currently not supported.
 [1]: https://github.com/ARM-software/ebbr
 [2]: https://developer.arm.com/Architectures/Arm%20SystemReady%20IR
 [3]: https://github.com/ARM-software/arm-systemready/tree/main/IR/prebuilt_images
-[4]: https://developer.arm.com/documentation/DUI1101/1-1/?lang=en
+[4]: https://developer.arm.com/documentation/DUI1101/latest/
diff --git a/board/qemu/arm-ebbr/readme.txt b/board/qemu/arm-ebbr/readme.txt
index 085e723fe6..dc2b0647a2 100644
--- a/board/qemu/arm-ebbr/readme.txt
+++ b/board/qemu/arm-ebbr/readme.txt
@@ -68,4 +68,4 @@ Firmware update is currently not supported.
 [1]: https://github.com/ARM-software/ebbr
 [2]: https://developer.arm.com/Architectures/Arm%20SystemReady%20IR
 [3]: https://github.com/ARM-software/arm-systemready/tree/main/IR/prebuilt_images
-[4]: https://developer.arm.com/documentation/DUI1101/1-1/?lang=en
+[4]: https://developer.arm.com/documentation/DUI1101/latest/
diff --git a/configs/qemu_aarch64_ebbr_defconfig b/configs/qemu_aarch64_ebbr_defconfig
index c858572bbf..7807814aff 100644
--- a/configs/qemu_aarch64_ebbr_defconfig
+++ b/configs/qemu_aarch64_ebbr_defconfig
@@ -6,12 +6,12 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh board/qemu/aarch64-ebbr/p
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG) -c board/qemu/aarch64-ebbr/genimage.cfg"
 
 # Linux headers
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_4=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.44"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.4.3"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 
@@ -27,7 +27,7 @@ BR2_TARGET_ROOTFS_EXT2_SIZE="200M"
 # Firmware and bootloader
 BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.7"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.9"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="qemu"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL32_OPTEE=y
@@ -39,7 +39,7 @@ BR2_TARGET_OPTEE_OS_PLATFORM="vexpress-qemu_armv8a"
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.01"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.07.02"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="qemu_arm64"
 BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/qemu/aarch64-ebbr/u-boot.fragment"
 BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
diff --git a/configs/qemu_arm_ebbr_defconfig b/configs/qemu_arm_ebbr_defconfig
index d6a92a1d68..cfeea623ff 100644
--- a/configs/qemu_arm_ebbr_defconfig
+++ b/configs/qemu_arm_ebbr_defconfig
@@ -7,12 +7,12 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh board/qemu/arm-ebbr/post-
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG) -c board/qemu/arm-ebbr/genimage.cfg"
 
 # Linux headers
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_4=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.44"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.4.3"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/qemu/arm-ebbr/linux.fragment"
 
@@ -28,7 +28,7 @@ BR2_TARGET_ROOTFS_EXT2_SIZE="200M"
 # Firmware and bootloader
 BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y
-BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.7"
+BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE="v2.9"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="qemu"
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_FIP=y
 BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL32_OPTEE=y
@@ -42,7 +42,7 @@ BR2_TARGET_OPTEE_OS_PLATFORM="vexpress-qemu_virt"
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.01"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2023.07.02"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="qemu_arm"
 BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/qemu/arm-ebbr/u-boot.fragment"
 BR2_TARGET_UBOOT_NEEDS_OPENSSL=y