diff --git a/.github/workflows/gha.yml b/.github/workflows/gha.yml
index d20f7b5e..906fe353 100644
--- a/.github/workflows/gha.yml
+++ b/.github/workflows/gha.yml
@@ -266,69 +266,44 @@ jobs:
         pattern: [0, 1, 2, 3]
     steps:
     - uses: actions/checkout@v1
-    - name: Cache dependencies
-      id: cache-depends
-      uses: actions/cache@v1
+    - name: Cache vcpkg
+      id: cache-vcpkg
+      uses: actions/cache@v1.0.3
       with:
-        path: third_party
-        key: ${{ runner.os }}-depends
+        path: C:/vcpkg/installed/x64-windows
+        key: ${{ runner.os }}-vcpkg
     - name: Build dependencies
-      if: steps.cache-depends.outputs.cache-hit != 'true'
+      if: steps.cache-vcpkg.outputs.cache-hit != 'true'
       shell: powershell
       run: |
-        $CUR=(Get-Location).Path
-        
-        Invoke-WebRequest -Uri https://github.com/google/googletest/archive/release-1.7.0.zip -OutFile googletest-release-1.7.0.zip
-        7z x googletest-release-1.7.0.zip
-        cd googletest-release-1.7.0
-        md build
-        cd build
-        cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_CXX_FLAGS="/D_VARIADIC_MAX=10 /D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" ..
-        cmake --build . --config Release
-        New-Item -ItemType Directory -Path "$CUR\third_party\googletest\lib"
-        Copy-Item "Release\*" -Destination "$CUR\third_party\googletest\lib"
-        Copy-Item -Path "..\include" -Destination "$CUR\third_party\googletest" -Recurse
-        cd ..
-        cd ..
-        
-        Invoke-WebRequest -Uri http://zlib.net/zlib-1.2.11.tar.gz -OutFile zlib-1.2.11.tar.gz
-        7z x zlib-1.2.11.tar.gz
-        7z x zlib-1.2.11.tar
-        cd zlib-1.2.11
-        md build
-        cd build
-        cmake -DCMAKE_INSTALL_PREFIX="$CUR\third_party\zlib" ..
-        cmake --build . --config Release
-        New-Item -ItemType Directory -Path "$CUR\third_party\zlib\lib"
-        Copy-Item "Release\*" -Destination "$CUR\third_party\zlib\lib"
-        Copy-Item "..\zlib.h" -Destination "$CUR\third_party\zlib"
-        Copy-Item zconf.h -Destination "$CUR\third_party\zlib"
+        vcpkg install gtest:x64-windows
+        vcpkg install zlib:x64-windows
     - name: Build and test
       shell: powershell
       run: |
         if (${{ matrix.pattern }} -eq 0) {
-          $CPP11="-DMSGPACK_CXX11=""OFF"""
-          $BOOST="-DMSGPACK_BOOST=""OFF"""
+          $CPP11="-DMSGPACK_CXX11=OFF"
+          $BOOST="-DMSGPACK_BOOST=OFF"
         }
         if (${{ matrix.pattern }} -eq 1) {
-          $CPP11="-DMSGPACK_CXX11=""OFF"""
-          $BOOST="-DMSGPACK_BOOST=""ON"""
+          $CPP11="-DMSGPACK_CXX11=OFF"
+          $BOOST="-DMSGPACK_BOOST=ON"
         }
         if (${{ matrix.pattern }} -eq 2) {
-          $CPP11="-DMSGPACK_CXX11=""ON"""
-          $BOOST="-DMSGPACK_BOOST=""OFF"""
+          $CPP11="-DMSGPACK_CXX11=ON"
+          $BOOST="-DMSGPACK_BOOST=OFF"
         }
         if (${{ matrix.pattern }} -eq 3) {
-          $CPP11="-DMSGPACK_CXX11=""ON"""
-          $BOOST="-DMSGPACK_BOOST=""ON"""
+          $CPP11="-DMSGPACK_CXX11=ON"
+          $BOOST="-DMSGPACK_BOOST=ON"
         }
 
         $CUR=(Get-Location).Path
         md build
         cd build
-        echo $env:BOOST_ROOT
-        $env:BOOST_ROOT="$env:Boost_ROOT"
-        cmake -DBOOST_ROOT="$env:BOOST_ROOT" $CPP11 $BOOST $X3_PARSE -DGTEST_LIBRARY="$CUR\third_party\googletest\lib\gtest.lib" -DGTEST_MAIN_LIBRARY="$CUR\third_party\googletest\lib\gtest_main.lib" -DGTEST_INCLUDE_DIR="$CUR\third_party\googletest\include" -DZLIB_LIBRARY="$CUR\third_party\zlib\lib\zlib.lib" -DZLIB_INCLUDE_DIR="$CUR\third_party\zlib" -DCMAKE_CXX_FLAGS="/D_VARIADIC_MAX=10 /EHsc /D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" ..
+        cmake -A x64 -DCMAKE_TOOLCHAIN_FILE="C:/vcpkg/scripts/buildsystems/vcpkg.cmake" $CPP11 $BOOST "-DCMAKE_CXX_FLAGS=/D_VARIADIC_MAX=10 /EHsc /D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING" ..
         cmake --build . --config Release
-        $env:PATH="$env:PATH;$CUR\third_party\googletest\lib;$CUR\third_party\zlib\lib;$CUR\build\Release"
+        $pathbak="$env:PATH"
+        $env:PATH="C:\vcpkg\installed\x64-windows\bin;$CUR\build\Release;$pathbak"
         ctest -V
+        $env:PATH=$pathbak