diff --git a/.github/workflows/stlab.yml b/.github/workflows/stlab.yml
index 7997c0be..981b05b0 100644
--- a/.github/workflows/stlab.yml
+++ b/.github/workflows/stlab.yml
@@ -62,10 +62,10 @@ jobs:
         if: ${{ startsWith(matrix.config.os, 'windows') }}
         run: |
           choco install --yes ninja
-          vcpkg install boost:x64-windows
+        # vcpkg install boost:x64-windows
         # dotnet add package boost --version 1.85.0
         # choco install --yes boost-msvc-14.3
-        # vcpkg install boost-test:x64-windows boost-multiprecision:x64-windows boost-variant:x64-windows
+          vcpkg install boost-test:x64-windows boost-multiprecision:x64-windows
         shell: cmd
 
       - name: Install dependencies // Linux Emscripten
@@ -110,7 +110,7 @@ jobs:
           cmake -S $HOME/boost -B ../build-boost -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=23 \
             -DCMAKE_CXX_FLAGS="-Wno-deprecated-builtins" \
             -DCMAKE_TOOLCHAIN_FILE=$GITHUB_WORKSPACE/cmake/Platform/Emscripten-STLab.cmake \
-            -DBOOST_INCLUDE_LIBRARIES="optional;variant;multiprecision;test"
+            -DBOOST_INCLUDE_LIBRARIES="multiprecision;test"
 
           cmake --build ../build-boost
           cmake --install ../build-boost
@@ -136,7 +136,7 @@ jobs:
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" x64
           mkdir ..\build
-          cmake -S. -B../build -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=20 -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake
+          cmake -S. -B../build -GNinja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=20 -DBoost_USE_STATIC_LIBS=TRUE -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake
 
       - name: Build // Unix
         if: ${{ startsWith(matrix.config.os, 'ubuntu') || startsWith(matrix.config.os, 'macos') }}