diff --git a/configs/zynqmp_kria_kd240_defconfig b/configs/zynqmp_kria_kd240_defconfig
index 363a3d7f4b..90ccfe9a79 100644
--- a/configs/zynqmp_kria_kd240_defconfig
+++ b/configs/zynqmp_kria_kd240_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-buildroot-elf"
 BR2_GLOBAL_PATCH_DIR="board/xilinx/patches board/xilinx/linux_6.12/patches"
diff --git a/configs/zynqmp_kria_kr260_defconfig b/configs/zynqmp_kria_kr260_defconfig
index 7b56018dd1..ae63bf487f 100644
--- a/configs/zynqmp_kria_kr260_defconfig
+++ b/configs/zynqmp_kria_kr260_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-buildroot-elf"
 BR2_GLOBAL_PATCH_DIR="board/xilinx/patches board/xilinx/linux_6.12/patches"
diff --git a/configs/zynqmp_kria_kv260_defconfig b/configs/zynqmp_kria_kv260_defconfig
index e9564e57e9..805c7f054e 100644
--- a/configs/zynqmp_kria_kv260_defconfig
+++ b/configs/zynqmp_kria_kv260_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-buildroot-elf"
 BR2_GLOBAL_PATCH_DIR="board/xilinx/patches board/xilinx/linux_6.12/patches"
diff --git a/configs/zynqmp_zcu102_defconfig b/configs/zynqmp_zcu102_defconfig
index f316d54e3f..7d4187684f 100644
--- a/configs/zynqmp_zcu102_defconfig
+++ b/configs/zynqmp_zcu102_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-buildroot-elf"
 BR2_GLOBAL_PATCH_DIR="board/xilinx/patches board/xilinx/linux_6.12/patches"
diff --git a/configs/zynqmp_zcu104_defconfig b/configs/zynqmp_zcu104_defconfig
index 174567125f..ccadf6183b 100644
--- a/configs/zynqmp_zcu104_defconfig
+++ b/configs/zynqmp_zcu104_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-buildroot-elf"
 BR2_GLOBAL_PATCH_DIR="board/xilinx/patches board/xilinx/linux_6.12/patches"
diff --git a/configs/zynqmp_zcu106_defconfig b/configs/zynqmp_zcu106_defconfig
index aa0b49d0f5..8630a40510 100644
--- a/configs/zynqmp_zcu106_defconfig
+++ b/configs/zynqmp_zcu106_defconfig
@@ -1,5 +1,7 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y
 BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-buildroot-elf"
 BR2_GLOBAL_PATCH_DIR="board/xilinx/patches board/xilinx/linux_6.12/patches"