diff --git a/src/google/protobuf/map_test.cc b/src/google/protobuf/map_test.cc
index 0f4a4f008c..f878da34e0 100644
--- a/src/google/protobuf/map_test.cc
+++ b/src/google/protobuf/map_test.cc
@@ -28,9 +28,11 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+#include <array>
 #include <string>
 #include <type_traits>
 #include <utility>
+#include <vector>
 
 #include "absl/container/flat_hash_set.h"
 #include "google/protobuf/arena_test_util.h"