diff --git a/.github/actions/caching/action.yml b/.github/actions/caching/action.yml
new file mode 100644
index 0000000..da7b6d7
--- /dev/null
+++ b/.github/actions/caching/action.yml
@@ -0,0 +1,16 @@
+name: caching
+
+inputs:
+  key-prefix:
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Cache build directory
+      uses: actions/cache@v4
+      with:
+        path: |
+          build
+          external/vcpkg
+        key: ${{ inputs.key-prefix }}-2025-07-18
diff --git a/.github/actions/common-macos/action.yml b/.github/actions/common-macos/action.yml
index e709921..ab78a4b 100644
--- a/.github/actions/common-macos/action.yml
+++ b/.github/actions/common-macos/action.yml
@@ -5,6 +5,10 @@ inputs:
     required: true
   build-preset:
     required: true
+  vcpkg-triplet:
+    required: true
+  arch:
+    required: true
 
 runs:
   using: "composite"
@@ -17,7 +21,8 @@ runs:
       run: |
         cmake --preset ${{ inputs.config-preset }} \
               -G Xcode \
-              -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64" \
+              -DVCPKG_TARGET_TRIPLET=${{ inputs.vcpkg-triplet }} \
+              -DCMAKE_OSX_ARCHITECTURES=${{ inputs.arch }} \
               -DCMAKE_OSX_DEPLOYMENT_TARGET=11.6
       shell: bash
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 73b8755..0695a7a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,8 +13,14 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: recursive
-  
-      - uses: ./.github/actions/common-windows
+
+      - name: Caching
+        uses: ./.github/actions/caching
+        with:
+          key-prefix: windows-build
+
+      - name: Configure and build
+        uses: ./.github/actions/common-windows
         with:
           config-preset: Release
           build-preset: Release
@@ -36,19 +42,43 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: recursive
-  
-      - uses: ./.github/actions/common-macos
+
+      - name: Caching
+        uses: ./.github/actions/caching
+        with:
+          key-prefix: macos-build
+
+      - name: Configure and build x64
+        uses: ./.github/actions/common-macos
         with:
           config-preset: Release
           build-preset: Release
+          vcpkg-triplet: x64-osx
+          arch: x86_64
+
+      - name: Configure and build arm64
+        uses: ./.github/actions/common-macos
+        with:
+          config-preset: Release
+          build-preset: Release
+          vcpkg-triplet: arm64-osx
+          arch: arm64
+
+      - name: Merge binaries
+        run: |
+          mkdir -p ./bin/Release
+          cp -R ./bin/x86_64/Release/PartStackerGUI.app ./bin/Release/PartStackerGUI.app
+          lipo -create \
+            ./bin/x86_64/Release/PartStackerGUI.app/Contents/MacOS/PartStackerGUI \
+            ./bin/arm64/Release/PartStackerGUI.app/Contents/MacOS/PartStackerGUI \
+            -output ./bin/Release/PartStackerGUI.app/Contents/MacOS/PartStackerGUI
 
       - name: Package into DMG
         run: |
-          mkdir -p ./bin/Release/dmg-root
-          mv ./bin/Release/PartStackerGUI.app ./bin/Release/dmg-root/
+          mkdir -p ./bin/Release
           hdiutil create \
             -volname "PartStackerGUI" \
-            -srcfolder ./bin/Release/dmg-root \
+            -srcfolder ./bin/Release \
             -format UDZO \
             ./bin/Release/PartStackerGUI-mac.dmg
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5d9ee6c..d6a970f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,8 +10,14 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: recursive
-  
-      - uses: ./.github/actions/common-windows
+
+      - name: Caching
+        uses: ./.github/actions/caching
+        with:
+          key-prefix: windows-build
+
+      - name: Configure and build
+        uses: ./.github/actions/common-windows
         with:
           config-preset: Debug
           build-preset: Tests
@@ -28,11 +34,19 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: recursive
-  
-      - uses: ./.github/actions/common-macos
+
+      - name: Caching
+        uses: ./.github/actions/caching
+        with:
+          key-prefix: macos-build
+
+      - name: Configure and build
+        uses: ./.github/actions/common-macos
         with:
           config-preset: Debug
           build-preset: Tests
+          vcpkg-triplet: arm64-osx
+          arch: arm64
 
       - name: Run Tests
         run: |
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 94fce5d..e4d9404 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,11 +1,13 @@
 cmake_minimum_required(VERSION 3.30)
 
-if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
-    set(VCPKG_TARGET_TRIPLET "x64-windows-static-md" CACHE STRING "" FORCE)
-elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
-    set(VCPKG_TARGET_TRIPLET "x64-osx" CACHE STRING "" FORCE)
-else()
-    message(FATAL_ERROR "Unsupported platform: ${CMAKE_HOST_SYSTEM_NAME}")
+if(NOT DEFINED VCPKG_TARGET_TRIPLET)
+    if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
+        set(VCPKG_TARGET_TRIPLET "x64-windows-static-md" CACHE STRING "" FORCE)
+    elseif(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
+        set(VCPKG_TARGET_TRIPLET "arm64-osx" CACHE STRING "" FORCE)
+    else()
+        message(FATAL_ERROR "Unsupported platform: ${CMAKE_HOST_SYSTEM_NAME}")
+    endif()
 endif()
 
 project(PartStacker LANGUAGES CXX)
diff --git a/external/vcpkg b/external/vcpkg
index f26ec39..66ddab6 160000
--- a/external/vcpkg
+++ b/external/vcpkg
@@ -1 +1 @@
-Subproject commit f26ec398c25c4980f33a50391f00a75f7ad62ef7
+Subproject commit 66ddab67e28a9c8f53abe2063e0fb5ccd16e7103
diff --git a/src/pstack/gui/CMakeLists.txt b/src/pstack/gui/CMakeLists.txt
index 72e0f76..2e194b2 100644
--- a/src/pstack/gui/CMakeLists.txt
+++ b/src/pstack/gui/CMakeLists.txt
@@ -39,5 +39,5 @@ set(PSTACK_OUTPUT_FILE_NAME "PartStackerGUI")
 pstack_configure_target_info(pstack_gui)
 set_target_properties(pstack_gui PROPERTIES
     OUTPUT_NAME ${PSTACK_OUTPUT_FILE_NAME}
-    RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin"
+    RUNTIME_OUTPUT_DIRECTORY "${PROJECT_SOURCE_DIR}/bin/${CMAKE_OSX_ARCHITECTURES}"
 )