diff --git a/.github/workflows/compilation.yml b/.github/workflows/compilation.yml
index 63701df..26eac95 100644
--- a/.github/workflows/compilation.yml
+++ b/.github/workflows/compilation.yml
@@ -12,11 +12,16 @@ jobs:
     runs-on: ${{ matrix.os[0] }}
     strategy:
       matrix:
-        os: [[macos-latest, bash], [ubuntu-latest, bash], [windows-latest, msys2]]
+        os: [
+          [macos-latest, arm64, bash],
+          [macos-13, x86_64, bash],
+          [ubuntu-latest, x86_64, bash],
+          [windows-latest, x86_64, msys2]
+        ]
       fail-fast: false
     defaults:
      run:
-      shell: ${{ matrix.os[1] }} {0}
+      shell: ${{ matrix.os[2] }} {0}
 
     steps:
     - uses: actions/checkout@v4
@@ -27,12 +32,12 @@ jobs:
         sudo apt-get update
         sudo apt-get -y install texinfo bison flex gettext libgmp3-dev libmpfr-dev libmpc-dev
 
-    - name: Install on Mac
-      if: matrix.os[0] == 'macos-latest'
+    - name: Install on Mac(s)
+      if: startsWith(matrix.os[0], 'macos')
       run: |
         brew update
-    
         brew install texinfo bison flex gnu-sed gsl gmp mpfr libmpc
+
     - name: Install in MSYS2
       if: matrix.os[0] == 'windows-latest'
       uses: msys2/setup-msys2@v2
@@ -45,7 +50,7 @@ jobs:
 
     - name: Runs all stages
       run: |
-        export PATH="/usr/local/opt/gnu-sed/libexec/gnubin:$PATH"
+        export PATH="$(brew --prefix gnu-sed)/libexec/gnubin:$PATH"
         export PSPDEV=$PWD/pspdev
         export PATH=$PATH:$PSPDEV/bin
         ./toolchain.sh
@@ -101,5 +106,5 @@ jobs:
     
     - uses: actions/upload-artifact@v4
       with:
-        name: pspdev-${{ steps.slug.outputs.sha8 }}-${{ matrix.os[0] }}
+        name: pspdev-${{ steps.slug.outputs.sha8 }}-${{ matrix.os[0] }}-${{ matrix.os[1] }}
         path: pspdev.tar.gz
diff --git a/config/psptoolchain-allegrex-config.sh b/config/psptoolchain-allegrex-config.sh
index e71842a..e37a059 100644
--- a/config/psptoolchain-allegrex-config.sh
+++ b/config/psptoolchain-allegrex-config.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 PSPTOOLCHAIN_ALLEGREX_BINUTILS_REPO_URL="https://github.com/pspdev/binutils-gdb.git"
-PSPTOOLCHAIN_ALLEGREX_BINUTILS_DEFAULT_REPO_REF="allegrex-v2.37.0"
+PSPTOOLCHAIN_ALLEGREX_BINUTILS_DEFAULT_REPO_REF="allegrex-v2.40.0"
 PSPTOOLCHAIN_ALLEGREX_GCC_REPO_URL="https://github.com/pspdev/gcc.git"
 PSPTOOLCHAIN_ALLEGREX_GCC_DEFAULT_REPO_REF="allegrex-v13.2.0"
 PSPTOOLCHAIN_ALLEGREX_NEWLIB_REPO_URL="https://github.com/pspdev/newlib.git"
diff --git a/prepare-mac-os.sh b/prepare-mac-os.sh
index 5ff4ac6..866daa6 100755
--- a/prepare-mac-os.sh
+++ b/prepare-mac-os.sh
@@ -25,17 +25,18 @@ if [ $# -eq 1 ]; then
 	esac
 fi
 
-if ! [ -e "/usr/local/bin/brew" -o -e "/opt/local/bin/port" ]; then
+# Check if either Homebrew (brew) or MacPorts (port) are installed
+if ! command -v brew &> /dev/null && ! command -v port &> /dev/null; then
 	echo "Go install Homebrew from http://brew.sh/ or MacPorts from http://www.macports.org/ first, then we can talk!"
 	exit 1
 fi
 
 # sanity checks
-if [ $try_brew -eq 1 -a ! -e "/usr/local/bin/brew" ]; then
+if [ $try_brew -eq 1 -a ! command -v brew &> /dev/null ]; then
 	echo "Not trying Homebrew, because it is not installed."
 	try_brew=0
 fi
-if [ $try_port -eq 1 -a ! -e "/opt/local/bin/port" ]; then
+if [ $try_port -eq 1 -a ! -e command -v port &> /dev/null ]; then
 	echo "Not trying MacPorts, because it is not installed."
 	try_port=0
 fi
diff --git a/scripts/001-binutils.sh b/scripts/001-binutils.sh
index af20a3d..ace1f73 100755
--- a/scripts/001-binutils.sh
+++ b/scripts/001-binutils.sh
@@ -35,6 +35,19 @@ cd "$REPO_FOLDER"
 TARGET="psp"
 TARG_XTRA_OPTS=""
 
+## If using MacOS Apple, set gmp and mpfr paths using TARG_XTRA_OPTS 
+## (this is needed for Apple Silicon but we will do it for all MacOS systems)
+if [ "$(uname -s)" = "Darwin" ]; then
+  ## Check if using brew
+  if command -v brew &> /dev/null; then
+    TARG_XTRA_OPTS="--with-gmp=$(brew --prefix gmp) --with-mpfr=$(brew --prefix mpfr)"
+  fi
+  ## Check if using MacPorts
+  if command -v port &> /dev/null; then
+    TARG_XTRA_OPTS="--with-gmp=$(port -q prefix gmp) --with-mpfr=$(port -q prefix mpfr)"
+  fi
+fi
+
 ## Determine the maximum number of processes that Make can work with.
 PROC_NR=$(getconf _NPROCESSORS_ONLN)
 
diff --git a/scripts/002-gcc-stage1.sh b/scripts/002-gcc-stage1.sh
index b856784..012c651 100755
--- a/scripts/002-gcc-stage1.sh
+++ b/scripts/002-gcc-stage1.sh
@@ -37,6 +37,19 @@ TARGET="psp"
 ## Determine the maximum number of processes that Make can work with.
 PROC_NR=$(getconf _NPROCESSORS_ONLN)
 
+## If using MacOS Apple, set gmp, mpfr and mpc paths using TARG_XTRA_OPTS 
+## (this is needed for Apple Silicon but we will do it for all MacOS systems)
+if [ "$(uname -s)" = "Darwin" ]; then
+  ## Check if using brew
+  if command -v brew &> /dev/null; then
+    TARG_XTRA_OPTS="--with-gmp=$(brew --prefix gmp) --with-mpfr=$(brew --prefix mpfr) --with-mpc=$(brew --prefix libmpc)"
+  fi
+  ## Check if using MacPorts
+  if command -v port &> /dev/null; then
+    TARG_XTRA_OPTS="--with-gmp=$(port -q prefix gmp) --with-mpfr=$(port -q prefix mpfr) --with-mpc=$(port -q prefix libmpc)"
+  fi
+fi
+
 ## Create and enter the toolchain/build directory
 rm -rf mkdir build-$TARGET-stage1 && mkdir build-$TARGET-stage1 && cd build-$TARGET-stage1 || { exit 1; }
 
diff --git a/scripts/005-gcc-stage2.sh b/scripts/005-gcc-stage2.sh
index ff19e59..b3ebd1b 100755
--- a/scripts/005-gcc-stage2.sh
+++ b/scripts/005-gcc-stage2.sh
@@ -37,6 +37,19 @@ TARGET="psp"
 ## Determine the maximum number of processes that Make can work with.
 PROC_NR=$(getconf _NPROCESSORS_ONLN)
 
+## If using MacOS Apple, set gmp, mpfr and mpc paths using TARG_XTRA_OPTS 
+## (this is needed for Apple Silicon but we will do it for all MacOS systems)
+if [ "$(uname -s)" = "Darwin" ]; then
+  ## Check if using brew
+  if command -v brew &> /dev/null; then
+    TARG_XTRA_OPTS="--with-gmp=$(brew --prefix gmp) --with-mpfr=$(brew --prefix mpfr) --with-mpc=$(brew --prefix libmpc)"
+  fi
+  ## Check if using MacPorts
+  if command -v port &> /dev/null; then
+    TARG_XTRA_OPTS="--with-gmp=$(port -q prefix gmp) --with-mpfr=$(port -q prefix mpfr) --with-mpc=$(port -q prefix libmpc)"
+  fi
+fi
+
 ## Create and enter the toolchain/build directory
 rm -rf build-$TARGET-stage2 && mkdir build-$TARGET-stage2 && cd build-$TARGET-stage2 || { exit 1; }