diff --git a/.ci/install-re2c.sh b/.ci/install-re2c.sh
deleted file mode 100755
index 78aa3bf1..00000000
--- a/.ci/install-re2c.sh
+++ /dev/null
@@ -1,111 +0,0 @@
-#!/usr/bin/env bash
-#
-# This file is part of the Zephir Parser.
-#
-# (c) Zephir Team <team@zephir-lang.com>
-#
-# For the full copyright and license information, please view
-# the LICENSE file that was distributed with this source code.
-
-if [ -z ${RE2C_VERSION+x} ]; then
-  >&2 echo "The RE2C_VERSION value is not set. Stop."
-  exit 1
-fi
-
-if [ "${RE2C_VERSION}" == "system" ]; then
-  echo "Use system re2c. Skip."
-  exit 0
-fi
-
-# From https://stackoverflow.com/a/4025065
-vercomp () {
-    if [[ $1 == $2 ]]
-    then
-        return 0
-    fi
-    local IFS=.
-    local i ver1=($1) ver2=($2)
-    # fill empty fields in ver1 with zeros
-    for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
-    do
-        ver1[i]=0
-    done
-    for ((i=0; i<${#ver1[@]}; i++))
-    do
-        if [[ -z ${ver2[i]} ]]
-        then
-            # fill empty fields in ver2 with zeros
-            ver2[i]=0
-        fi
-        if ((10#${ver1[i]} > 10#${ver2[i]}))
-        then
-            return 1
-        fi
-        if ((10#${ver1[i]} < 10#${ver2[i]}))
-        then
-            return 2
-        fi
-    done
-    return 0
-}
-
-ext='tar.xz'
-vercomp "$RE2C_VERSION" '1.2'
-
-case $? in
-  2) ext='tar.gz';;
-esac
-
-pkgname=re2c
-source="https://github.com/skvadrik/${pkgname}/releases/download/${RE2C_VERSION}/${pkgname}-${RE2C_VERSION}.${ext}"
-downloadfile="${pkgname}-${RE2C_VERSION}.${ext}"
-prefix="${HOME}/.local/opt/${pkgname}/${pkgname}-${RE2C_VERSION}"
-bindir="${prefix}/bin"
-
-if [ ! -f "$bindir/re2c" ]; then
-  if [ ! -d "$(dirname "$HOME/.cache/$pkgname")" ]; then
-    mkdir -p "$(dirname "$HOME/.cache/$pkgname")"
-  fi
-
-  cd "$(dirname "$HOME/.cache/$pkgname")" || exit 1
-
-  if [ ! -f "$downloadfile" ]; then
-    echo "curl -sSL --fail-early '$source' -o '${pkgname}-${RE2C_VERSION}.${ext}'"
-    curl -sSL --fail-early "$source" -o "${pkgname}-${RE2C_VERSION}.${ext}"
-  fi
-
-  if [ ! -f "$downloadfile" ]; then
-    >&2 echo "Unable to locate $downloadfile file. Abort..."
-    exit 1
-  else
-    file "$downloadfile"
-  fi
-
-  tar -xf "$downloadfile" || exit 1
-
-  if [ ! -d "${pkgname}-${RE2C_VERSION}" ]; then
-    >&2 echo "Unable to locate re2c source files. Abort..."
-    exit 1
-  fi
-
-  if [ ! -d "$prefix" ]; then
-    mkdir -p "$prefix"
-  fi
-
-  cd "${pkgname}-${RE2C_VERSION}" || exit 1
-  ./configure --prefix="$prefix"
-
-  make -j"$(getconf _NPROCESSORS_ONLN)"
-  make install
-fi
-
-if [ ! -x "$bindir/re2c" ]; then
-  >&2 echo "Unable to locate re2c executable. Abort..."
-  exit 1
-fi
-
-mkdir -p "$HOME/bin"
-ln -s "$bindir/re2c" "$HOME/bin/re2c"
-
-re2c --version
-exit 0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3aa163eb..aa7dc91f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
           # Linux
           - { name: ubuntu-gcc, os: ubuntu-latest, compiler: gcc, ccov: 'ON' }
           # macOS
-          - { name: macos-clang, os: macos-12, compiler: clang, ccov: 'ON' }
+          - { name: macos-clang, os: macos-12, compiler: clang, ccov: 'OFF' }
           # Windows
           - { php: '7.0', ts: 'nts', arch: 'x64', name: 'windows2019-vc14', os: 'windows-2019', compiler: 'vc14', ccov: 'OFF' }
           - { php: '7.0', ts: 'ts', arch: 'x64', name: 'windows2019-vc14', os: 'windows-2019', compiler: 'vc14', ccov: 'OFF' }
@@ -141,7 +141,7 @@ jobs:
       #     zephir_parser-php-7.3-nts-ubuntu-gcc-x64.zip
       #     zephir_parser-php-7.3-nts-windows2019-vc15-x64.zip
       - name: Upload Zephir Parser
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: zephir_parser-php-${{ matrix.php }}-${{ matrix.ts }}-${{ matrix.name }}-${{ matrix.arch }}.zip
           path: |
@@ -165,7 +165,7 @@ jobs:
 
       - name: Upload Code Coverage Report
         if: matrix.ccov == 'ON'
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./lcov.info
@@ -173,7 +173,7 @@ jobs:
 
       - name: Upload Info for Debug on Fail
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           retention-days: 2
           name: debug-zephir_parser-php-${{ matrix.php }}-${{ matrix.ts }}-${{ matrix.name }}-${{ matrix.arch }}
@@ -193,7 +193,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.2'
+          php-version: '8.3'
           tools: pecl
 
       - name: Install System Dependencies
@@ -244,7 +244,7 @@ jobs:
           pecl info zephir_parser-pecl.tgz
 
       - name: Upload Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: 'zephir_parser-pecl'
           path: zephir_parser-pecl.tgz
@@ -269,7 +269,7 @@ jobs:
 
       - name: Download Zephir Parser build artifacts
         id: download
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           path: ./build-artifacts