diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b5542cf..6a949d3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
       id: check-cache
       uses: actions/cache@main
       with:
-        key: gcc-13.2.0
+        key: gcc-14.1.0-1
         lookup-only: true
         path: |
           /tmp/x86_64-linux-gnu.tar.xz
@@ -45,7 +45,7 @@ jobs:
       if: ${{ steps.check-cache.outputs.cache-hit != 'true' }}
       uses: actions/cache@main
       with:
-        key: gcc-13.2.0
+        key: gcc-14.1.0-1
         path: |
           /tmp/x86_64-linux-gnu.tar.xz
           /tmp/x86_64-linux-gnu.tar.xz.sha256
@@ -58,6 +58,7 @@ jobs:
     strategy:
       matrix:
         target: [
+          'ia64-unknown-linux-gnu',
           'alpha-unknown-linux-gnu',
           'x86_64-unknown-linux-gnu',
           'i386-unknown-linux-gnu',
@@ -71,7 +72,8 @@ jobs:
           's390-unknown-linux-gnu',
           's390x-unknown-linux-gnu',
           'sparc-unknown-linux-gnu',
-          'powerpc64le-unknown-linux-gnu'
+          'powerpc64le-unknown-linux-gnu',
+          'mips64el-unknown-linux-gnuabi64'
         ]
     steps:
     - uses: actions/checkout@main
@@ -80,14 +82,13 @@ jobs:
     - name: Restore from cache
       uses: actions/cache@main
       with:
-        key: gcc-13.2.0
+        key: gcc-14.1.0-1
         fail-on-cache-miss: true
         path: |
           /tmp/x86_64-linux-gnu.tar.xz
           /tmp/x86_64-linux-gnu.tar.xz.sha256
     - name: Setup toolchain
       run: |
-        ls /tmp/x86_64-linux-gnu.tar.xz
         tar --directory='/tmp' --extract --file='/tmp/x86_64-linux-gnu.tar.xz'
         mv '/tmp/obggcc' '/tmp/obggcc-toolchain'
     - name: Build OBGGCC with OBGGCC
@@ -103,7 +104,7 @@ jobs:
     - name: Upload artifact
       uses: actions/upload-artifact@main
       with:
-        name: cross-toolchain
+        name: ${{ matrix.target }}
         if-no-files-found: error
         path: |
           /tmp/${{ matrix.target }}.tar.xz
diff --git a/build.sh b/build.sh
index b929257..eb667a4 100644
--- a/build.sh
+++ b/build.sh
@@ -4,29 +4,29 @@ set -eu
 
 declare -r obggcc_revision="$(git rev-parse --short HEAD)"
 
-declare -r current_source_directory="${PWD}"
+declare -r workdir="${PWD}"
 
 declare -r toolchain_directory='/tmp/obggcc'
 
 declare -r gmp_tarball='/tmp/gmp.tar.xz'
-declare -r gmp_directory='/tmp/gmp-6.2.1'
+declare -r gmp_directory='/tmp/gmp-6.3.0'
 
 declare -r mpfr_tarball='/tmp/mpfr.tar.xz'
-declare -r mpfr_directory='/tmp/mpfr-4.2.0'
+declare -r mpfr_directory='/tmp/mpfr-4.2.1'
 
 declare -r mpc_tarball='/tmp/mpc.tar.gz'
 declare -r mpc_directory='/tmp/mpc-1.3.1'
 
 declare -r binutils_tarball='/tmp/binutils.tar.xz'
-declare -r binutils_directory='/tmp/binutils-2.40'
+declare -r binutils_directory='/tmp/binutils-2.42'
 
 declare -r gcc_tarball='/tmp/gcc.tar.gz'
-declare -r gcc_directory='/tmp/gcc-13.2.0'
+declare -r gcc_directory='/tmp/gcc-14.1.0'
 
 declare -r optflags='-Os'
 declare -r linkflags='-Wl,-s'
 
-declare -r max_jobs="$(($(nproc) * 8))"
+declare -r max_jobs="$(($(nproc) * 17))"
 
 declare build_type="${1}"
 
@@ -51,27 +51,29 @@ if ! (( is_native )); then
 fi
 
 if ! [ -f "${gmp_tarball}" ]; then
-	curl --connect-timeout '10' --retry '15' --retry-all-errors --fail --silent --url 'https://mirrors.kernel.org/gnu/gmp/gmp-6.2.1.tar.xz' --output "${gmp_tarball}"
+	wget --no-verbose 'https://ftp.gnu.org/gnu/gmp/gmp-6.3.0.tar.xz' --output-document="${gmp_tarball}"
 	tar --directory="$(dirname "${gmp_directory}")" --extract --file="${gmp_tarball}"
 fi
 
 if ! [ -f "${mpfr_tarball}" ]; then
-	curl --connect-timeout '10' --retry '15' --retry-all-errors --fail --silent --url 'https://mirrors.kernel.org/gnu/mpfr/mpfr-4.2.0.tar.xz' --output "${mpfr_tarball}"
+	wget --no-verbose 'https://ftp.gnu.org/gnu/mpfr/mpfr-4.2.1.tar.xz' --output-document="${mpfr_tarball}"
 	tar --directory="$(dirname "${mpfr_directory}")" --extract --file="${mpfr_tarball}"
 fi
 
 if ! [ -f "${mpc_tarball}" ]; then
-	curl --connect-timeout '10' --retry '15' --retry-all-errors --fail --silent --url 'https://mirrors.kernel.org/gnu/mpc/mpc-1.3.1.tar.gz' --output "${mpc_tarball}"
+	wget --no-verbose 'https://ftp.gnu.org/gnu/mpc/mpc-1.3.1.tar.gz' --output-document="${mpc_tarball}"
 	tar --directory="$(dirname "${mpc_directory}")" --extract --file="${mpc_tarball}"
 fi
 
 if ! [ -f "${binutils_tarball}" ]; then
-	curl --connect-timeout '10' --retry '15' --retry-all-errors --fail --silent --url 'https://mirrors.kernel.org/gnu/binutils/binutils-2.40.tar.xz' --output "${binutils_tarball}"
+	wget --no-verbose 'https://ftp.gnu.org/gnu/binutils/binutils-2.42.tar.xz' --output-document="${binutils_tarball}"
 	tar --directory="$(dirname "${binutils_directory}")" --extract --file="${binutils_tarball}"
+	
+	patch --directory="${binutils_directory}" --strip='1' --input="${workdir}/patches/0001-Revert-gold-Use-char16_t-char32_t-instead-of-uint16_.patch"
 fi
 
 if ! [ -f "${gcc_tarball}" ]; then
-	curl --connect-timeout '10' --retry '15' --retry-all-errors --fail --silent --url 'https://mirrors.kernel.org/gnu/gcc/gcc-13.2.0/gcc-13.2.0.tar.xz' --output "${gcc_tarball}"
+	wget --no-verbose 'https://ftp.gnu.org/gnu/gcc/gcc-14.1.0/gcc-14.1.0.tar.xz' --output-document="${gcc_tarball}"
 	tar --directory="$(dirname "${gcc_directory}")" --extract --file="${gcc_tarball}"
 fi
 
@@ -121,7 +123,7 @@ rm --force --recursive ./*
 	--with-gmp="${toolchain_directory}" \
 	--enable-shared \
 	--enable-static \
-	CFLAGS="${optflags}" \
+	CFLAGS="${optflags} -DHAVE_COMPLEX_H=1" \
 	CXXFLAGS="${optflags}" \
 	LDFLAGS="${linkflags}"
 
@@ -129,14 +131,15 @@ make all --jobs
 make install
 
 declare -ra targets=(
-	# 'alpha-unknown-linux-gnu'
-	# 'x86_64-unknown-linux-gnu'
-	# 'i386-unknown-linux-gnu'
-	# 'arm-unknown-linux-gnueabi'
-	# 'arm-unknown-linux-gnueabihf'
-	# 'hppa-unknown-linux-gnu'
-	# 'aarch64-unknown-linux-gnu'
-	# 'mips-unknown-linux-gnu'
+	'ia64-unknown-linux-gnu'
+	'alpha-unknown-linux-gnu'
+	'x86_64-unknown-linux-gnu'
+	'i386-unknown-linux-gnu'
+	'arm-unknown-linux-gnueabi'
+	'arm-unknown-linux-gnueabihf'
+	'hppa-unknown-linux-gnu'
+	'aarch64-unknown-linux-gnu'
+	'mips-unknown-linux-gnu'
 	'mipsel-unknown-linux-gnu'
 	'powerpc-unknown-linux-gnu'
 	's390-unknown-linux-gnu'
@@ -147,7 +150,7 @@ declare -ra targets=(
 )
 
 for target in "${targets[@]}"; do
-	source "${current_source_directory}/${target}.sh"
+	source "${workdir}/${target}.sh"
 	
 	cd "$(mktemp --directory)"
 	
@@ -201,7 +204,7 @@ for target in "${targets[@]}"; do
 	echo -e "OUTPUT_FORMAT(${output_format})\nGROUP ( ./libpthread.so.0 ./libpthread_nonshared.a  )" > './libpthread.so'
 	
 	if [[ "${target}" == mips*-unknown-linux-gnu ]] || [ "${target}" == 'powerpc-unknown-linux-gnu' ] || [ "${target}" == 's390-unknown-linux-gnu' ] || [ "${target}" == 'sparc-unknown-linux-gnu' ]; then
-		patch --directory="${toolchain_directory}/${triple}" --strip='1' --input="${current_source_directory}/patches/linux_pim.patch"
+		patch --directory="${toolchain_directory}/${triple}" --strip='1' --input="${workdir}/patches/linux_pim.patch"
 	fi
 	
 	[ -d "${binutils_directory}/build" ] || mkdir "${binutils_directory}/build"
@@ -243,7 +246,7 @@ for target in "${targets[@]}"; do
 		--with-static-standard-libraries \
 		--with-bugurl='https://github.com/AmanoTeam/obggcc/issues' \
 		--with-gcc-major-version-only \
-		--with-pkgversion="OBGGCC v0.5-${obggcc_revision}" \
+		--with-pkgversion="OBGGCC v0.6-${obggcc_revision}" \
 		--with-sysroot="${toolchain_directory}/${triple}" \
 		--with-native-system-header-dir='/include' \
 		--enable-__cxa_atexit \
@@ -280,7 +283,7 @@ for target in "${targets[@]}"; do
 		CFLAGS_FOR_TARGET="${optflags} ${linkflags}" \
 		CXXFLAGS_FOR_TARGET="${optflags} ${linkflags}" \
 		all \
-		--jobs="$(($(nproc) * 12))"
+		--jobs="${max_jobs}"
 	make install
 	
 	cd "${toolchain_directory}/${triple}/bin"
diff --git a/ia64-unknown-linux-gnu.sh b/ia64-unknown-linux-gnu.sh
new file mode 100644
index 0000000..4794189
--- /dev/null
+++ b/ia64-unknown-linux-gnu.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+declare packages=(
+	'http://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_ia64.deb'
+	'http://archive.debian.org/debian/pool/main/g/glibc/libc6.1-dev_2.7-18lenny7_ia64.deb'
+	'http://archive.debian.org/debian/pool/main/g/glibc/libc6.1_2.7-18lenny7_ia64.deb'
+)
+
+declare extra_configure_flags='--disable-libsanitizer'
+
+declare triple='ia64-unknown-linux-gnu'
+declare host='ia64-linux-gnu'
+
+declare output_format='elf64-ia64-little'
+declare ld='ld-linux-ia64.so.2'
+
+declare debian_release_major='5'
diff --git a/patches/0001-Revert-gold-Use-char16_t-char32_t-instead-of-uint16_.patch b/patches/0001-Revert-gold-Use-char16_t-char32_t-instead-of-uint16_.patch
new file mode 100644
index 0000000..9a850ab
--- /dev/null
+++ b/patches/0001-Revert-gold-Use-char16_t-char32_t-instead-of-uint16_.patch
@@ -0,0 +1,77 @@
+From c5fcba3bc2b47e1061e066deac04efbbdb53362d Mon Sep 17 00:00:00 2001
+From: Kartatz <105828205+Kartatz@users.noreply.github.com>
+Date: Wed, 8 May 2024 07:04:54 +0200
+Subject: [PATCH] Revert "gold: Use char16_t, char32_t instead of uint16_t,
+ uint32_t as character types"
+
+This reverts commit 5e9091dab8858b25210a91d22fbbbfdee9c969ad.
+---
+diff --git a/gold/merge.cc b/gold/merge.cc
+index ca15149c767..55de3013a1b 100644
+--- a/gold/merge.cc
++++ b/gold/merge.cc
+@@ -665,10 +665,10 @@ template
+ class Output_merge_string<char>;
+ 
+ template
+-class Output_merge_string<char16_t>;
++class Output_merge_string<uint16_t>;
+ 
+ template
+-class Output_merge_string<char32_t>;
++class Output_merge_string<uint32_t>;
+ 
+ #if defined(HAVE_TARGET_32_LITTLE) || defined(HAVE_TARGET_32_BIG)
+ template
+diff --git a/gold/output.cc b/gold/output.cc
+index ead67f20363..3375d322506 100644
+--- a/gold/output.cc
++++ b/gold/output.cc
+@@ -29,7 +29,6 @@
+ #include <unistd.h>
+ #include <sys/stat.h>
+ #include <algorithm>
+-#include <uchar.h>
+ 
+ #ifdef HAVE_SYS_MMAN_H
+ #include <sys/mman.h>
+@@ -2707,10 +2706,10 @@ Output_section::add_merge_input_section(Relobj* object, unsigned int shndx,
+ 	      pomb = new Output_merge_string<char>(addralign);
+ 	      break;
+ 	    case 2:
+-	      pomb = new Output_merge_string<char16_t>(addralign);
++	      pomb = new Output_merge_string<uint16_t>(addralign);
+ 	      break;
+ 	    case 4:
+-	      pomb = new Output_merge_string<char32_t>(addralign);
++	      pomb = new Output_merge_string<uint32_t>(addralign);
+ 	      break;
+ 	    default:
+ 	      return false;
+diff --git a/gold/stringpool.cc b/gold/stringpool.cc
+index d8f38cfabc1..2e4a746d1a8 100644
+--- a/gold/stringpool.cc
++++ b/gold/stringpool.cc
+@@ -25,7 +25,6 @@
+ #include <cstring>
+ #include <algorithm>
+ #include <vector>
+-#include <uchar.h>
+ 
+ #include "output.h"
+ #include "parameters.h"
+@@ -528,9 +527,9 @@ template
+ class Stringpool_template<char>;
+ 
+ template
+-class Stringpool_template<char16_t>;
++class Stringpool_template<uint16_t>;
+ 
+ template
+-class Stringpool_template<char32_t>;
++class Stringpool_template<uint32_t>;
+ 
+ } // End namespace gold.
+-- 
+2.36.6
+