diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9e57bf5..d351704 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -45,7 +45,11 @@ jobs:
           mkdir build
           cd build
           cmake .. -G"Ninja" -DBUILD_SHARED_LIBS=ON -DOQS_BUILD_ONLY_LIB=ON
-          ninja install
+          if [ "${{ matrix.os }}" != "windows-latest" ]; then
+            sudo ninja install
+          else
+            ninja install
+          fi
         working-directory: liboqs
 
       - name: Set up JDK ${{ matrix.java-version }}