diff --git a/.github/workflows/msys-cygwin.yml b/.github/workflows/msys-cygwin.yml
index e76be9f0d..b8da2bb6c 100644
--- a/.github/workflows/msys-cygwin.yml
+++ b/.github/workflows/msys-cygwin.yml
@@ -29,12 +29,24 @@ jobs:
           toolchain:p
           cmake:p
     - name: Configure
+      if: matrix.sys != 'clang64'
       run: |
         cmake -G"Unix Makefiles" \
           -S . \
           -B build \
           -DCMAKE_VERBOSE_MAKEFILE=ON \
           -DCMAKE_BUILD_TYPE=Release \
+          -DZLIB_BUILD_MINIZIP=ON \
+          -DMINIZIP_ENABLE_BZIP2=ON
+    - name: Configure clang64
+      if: matrix.sys == 'clang64'
+      run: |
+        CC=clang cmake -G"Unix Makefiles" \
+          -S . \
+          -B build \
+          -DCMAKE_VERBOSE_MAKEFILE=ON \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DZLIB_BUILD_MINIZIP=ON \
           -DMINIZIP_ENABLE_BZIP2=ON
     - name: Build
       run: cmake --build build --config Release