diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b55b539..e73ef4b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -176,6 +176,13 @@ jobs:
           cmake -B ${{ steps.strings.outputs.build-output-dir }}-qtkeychain -DCMAKE_PREFIX_PATH=${{ steps.strings.outputs.prefix-dir }} -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }} -DCMAKE_C_COMPILER=${{ matrix.c_compiler }} -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -S qtkeychain -DCMAKE_INSTALL_PREFIX=${{ steps.strings.outputs.prefix-dir }} -DBUILD_TESTING=OFF -DBUILD_WITH_QT6=ON
           cmake --build ${{ steps.strings.outputs.build-output-dir }}-qtkeychain --config ${{ matrix.build_type }} --target install
 
+      - name: Build unshield
+        if: steps.cache-prefix-restore.outputs.cache-hit != 'true'
+        run: |
+          git clone https://github.com/twogood/unshield.git
+          cmake -B ${{ steps.strings.outputs.build-output-dir }}-unshield -DCMAKE_PREFIX_PATH=${{ steps.strings.outputs.prefix-dir }} -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }} -DCMAKE_C_COMPILER=${{ matrix.c_compiler }} -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -S unshield -DCMAKE_INSTALL_PREFIX=${{ steps.strings.outputs.prefix-dir }} -DBUILD_TESTING=OFF
+          cmake --build ${{ steps.strings.outputs.build-output-dir }}-unshield --config ${{ matrix.build_type }} --target install
+
       - name: Save Prefix
         id: cache-prefix-save
         uses: actions/cache/save@v4
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index 43611c9..dad4f48 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -18,8 +18,13 @@ add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/libphysis/logger EXCLUDE_FROM_ALL)
 
 target_include_directories(physis INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/libphysis/target/public)
 
-# TODO: enable unshield on Windows
-if (NOT WIN32)
+# We should use the CMake module everywhere once distros update their packages
+if (WIN32)
+    # FIXME: unshield should include zlib in their upstream cmake
+    find_package(ZLIB REQUIRED)
+    find_package(unshield REQUIRED)
+    target_link_libraries(physis INTERFACE unshield::libunshield)
+else()
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(UNSHIELD REQUIRED IMPORTED_TARGET libunshield)
     target_link_directories(physis INTERFACE ${UNSHIELD_LIBRARY_DIRS})
diff --git a/scripts/windows-setup.ps1 b/scripts/windows-setup.ps1
index 74b3805..d7e86f3 100644
--- a/scripts/windows-setup.ps1
+++ b/scripts/windows-setup.ps1
@@ -125,4 +125,10 @@ CheckCompileResult "qcoro"
 Clone "qtkeychain" "https://github.com/frankosterfeld/qtkeychain.git"
 Configure "qtkeychain" "-DBUILD_TESTING=OFF -DBUILD_WITH_QT6=ON"
 cmake --build "$BuildDir-qtkeychain" --config Debug --target install --parallel $NumCores
-CheckCompileResult "qtkeychain"
\ No newline at end of file
+CheckCompileResult "qtkeychain"
+
+# Build unshield
+Clone "unshield" "https://github.com/twogood/unshield.git"
+Configure "unshield" "-DBUILD_TESTING=OFF"
+cmake --build "$BuildDir-unshield" --config Debug --target install --parallel $NumCores
+CheckCompileResult "unshield"
\ No newline at end of file