diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1a7bf08b65b2..4758a7ce2c3d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,17 +6,30 @@ on:
 
 env:
   MACOSX_DEPLOYMENT_TARGET: 10.15
+  SDKROOT: /Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk
+  TOOLCHAINS: com.applex.dt.toolchain.Xcode13
+  
   PATH: /usr/local/bin:/usr/local/opt/bison/bin:/usr/bin:/bin:/usr/sbin:/sbin
+
+  CPATH: /usr/local/include
+  LIBRARY_PATH: /usr/local/lib
+  
+  # mingw-w64 cross-compilers
   i386_CC: i686-w64-mingw32-gcc
   x86_64_CC: x86_64-w64-mingw32-gcc
   i386_LD: i686-w64-mingw32-ld
   x86_64_LD: x86_64-w64-mingw32-ld
-  CPATH: /usr/local/include
-  LIBRARY_PATH: /usr/local/lib
+  
+  # compiler and linker flags
   CFLAGS: -O2 -Wno-deprecated-declarations -Wno-unguarded-availability
   CXXFLAGS: -O2 -Wno-deprecated-declarations -Wno-unguarded-availability
   CROSSCFLAGS: -O2 -Wno-error=incompatible-pointer-types -Wno-error=int-conversion -Wno-deprecated-declarations
-  LDFLAGS: -Wl,-ld_classic -Wl,-headerpad_max_install_names -Wl,-rpath,@loader_path/../../ -Wl,-rpath,@loader_path/../../external -Wl,-rpath,/usr/local/lib
+  CPPFLAGS: -I/usr/local/opt/libpcap/include
+  LDFLAGS: -Wl,-headerpad_max_install_names -Wl,-rpath,@loader_path/../../ -Wl,-rpath,@loader_path/../../external -Wl,-rpath,/usr/local/lib -L/usr/local/opt/libpcap/lib
+  
+  PKG_CONFIG_PATH: /usr/local/opt/libpcap/lib/pkgconfig
+  
+  # wine configure overrides
   ac_cv_lib_soname_MoltenVK: libMoltenVK.dylib
   ac_cv_lib_soname_vulkan: ""
 
@@ -29,25 +42,37 @@ jobs:
     runs-on: macos-15-intel
     
     steps:
-      - name: checkout repository
-        uses: actions/checkout@v5
+      - uses: actions/checkout@v5
         with:
           path: src
 
+      - name: download & add Xcode 13 toolchain
+        run: |
+          sudo mkdir -p /Library/Developer/Toolchains
+          curl -fL https://dl.getmythic.app/engine/toolchains/Xcode13.xctoolchain.tar.xz \
+            | sudo tar -xJ -C /Library/Developer/Toolchains
+
+      - name: download & add macOS 12.3 SDK
+        run: |
+          sudo mkdir -p /Library/Developer/CommandLineTools/SDKs
+          curl -fL https://github.com/Gcenx/macos-sdk/releases/download/12.3/MacOSX12.3.tar.bz2 \
+            | sudo tar -xj -C /Library/Developer/CommandLineTools/SDKs
+
       - name: install build & runtime dependencies
         run: |
           brew install bison \
+            freetype \
             pkg-config \
             gettext \
-            freetype \
             gnutls \
             gstreamer \
             gst-plugins-base \
             gst-plugins-good \
-            libpng \
             jpeg \
+            libpng \
             libtiff \
             libffi \
+            libpcap \
             sdl2 \
             molten-vk \
             winetricks