diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed993be..84c3c9a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,6 +10,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    container: archlinux:latest
     steps:
     - uses: actions/checkout@v4
       with:
@@ -22,6 +23,7 @@ jobs:
       if: ${{ github.event_name == 'push' }}
       shell: bash
       run: |
+        git config --global --add safe.directory $GITHUB_WORKSPACE
         git fetch --tags --force
         
         if LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null); then
@@ -48,13 +50,6 @@ jobs:
           echo "EOF"
         } >> $GITHUB_OUTPUT
 
-    - name: Cache CMake Binary
-      id: cmake-cache
-      uses: actions/cache@v4
-      with:
-        path: cmake-4.3.4-linux-x86_64
-        key: ${{ runner.os }}-cmake-4.3.4
-        
     - name: Cache FetchContent & ccache
       uses: actions/cache@v4
       with:
@@ -68,23 +63,14 @@ jobs:
 
     - name: Install tools
       run: |
-        sudo apt-get update
-        sudo apt-get install -y mingw-w64 zstd ccache zip
+        pacman -Syu --noconfirm
+        pacman -S --noconfirm mingw-w64-gcc cmake ninja ccache zip git base-devel
         mkdir -p ccache
         echo "CCACHE_DIR=$GITHUB_WORKSPACE/ccache" >> $GITHUB_ENV
 
-    - name: Install CMake 4.3.4
-      if: steps.tools-cache.outputs.cache-hit != 'true'
-      run: |
-        wget -q https://github.com/Kitware/CMake/releases/download/v4.3.4/cmake-4.3.4-linux-x86_64.tar.gz
-        tar xzf cmake-4.3.4-linux-x86_64.tar.gz
-
-    - name: Add CMake to path
-      run: echo "$GITHUB_WORKSPACE/cmake-4.3.4-linux-x86_64/bin" >> $GITHUB_PATH
-
     - name: Configure CMake
       run: |
-        cmake -B build -S . \
+        cmake -B build -S . -G Ninja \
           -DCMAKE_SYSTEM_NAME=Windows \
           -DCMAKE_C_COMPILER=x86_64-w64-mingw32-gcc \
           -DCMAKE_CXX_COMPILER=x86_64-w64-mingw32-g++ \
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e67104f..037cf25 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ if(MSVC)
         add_compile_definitions(_AMD64_)
     endif()
 else()
-	add_compile_options(-m64 -fabi-version=0 -frtti)
+	add_compile_options(-m64)
 endif()
 
 project(hex-unlocked LANGUAGES CXX)
@@ -147,7 +147,7 @@ set_target_properties(hex-unlocked PROPERTIES OUTPUT_NAME "${RANDOM_EXE_NAME}")
 
 # compiler / IDE config
 if(NOT MSVC)
-    target_link_options(hex-unlocked PRIVATE -static -static-libgcc -static-libstdc++ "-Wl,--allow-multiple-definition")
+    target_link_options(hex-unlocked PRIVATE -static -static-libgcc -static-libstdc++)
 else()
     set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT hex-unlocked)
 endif()