diff --git a/.github/workflows/ci-cpu-windows.yml b/.github/workflows/ci-cpu-windows.yml
index 016b769a4..df7ebf7d3 100644
--- a/.github/workflows/ci-cpu-windows.yml
+++ b/.github/workflows/ci-cpu-windows.yml
@@ -39,7 +39,7 @@ jobs:
     - name: Install pkgconfig and zlib
       run: |
         choco install pkgconfiglite
-        vcpkg install zlib
+        vcpkg install zlib:x64-windows
 
     - name: Configure
       run: |
diff --git a/.github/workflows/ci-gpu.yml b/.github/workflows/ci-gpu.yml
index 512521693..f11a982d5 100644
--- a/.github/workflows/ci-gpu.yml
+++ b/.github/workflows/ci-gpu.yml
@@ -68,6 +68,12 @@ jobs:
     - name: Get cmake
       uses: lukka/get-cmake@latest
 
+    - name: Install pkgconfig and zlib
+      if: ${{ matrix.os == 'windows-latest' }}
+      run: |
+        choco install pkgconfiglite
+        vcpkg install zlib:x64-windows
+
     - name: Install OpenGL
       if: ${{ matrix.os == 'ubuntu-20.04' }}
       run: sudo apt-get install -y --no-install-recommends libx11-dev libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev libxext-dev libxfixes-dev libgl1-mesa-dev libwayland-bin libwayland-dev wayland-protocols libxkbcommon-dev libxkbcommon-x11-0