| 1 | diff --git a/google/cloud/testing_util/command_line_parsing.cc b/google/cloud/testing_util/command_line_parsing.cc |
| 2 | index 330d6d402b..92d90842a6 100644 |
| 3 | |
| 4 | |
| 5 | |
| 6 | #include "google/cloud/internal/throw_delegate.h" |
| 7 | #include "absl/strings/match.h" |
| 8 | #include "absl/time/time.h" |
| 9 | +#include <algorithm> |
| 10 | #include <cctype> |
| 11 | #include <iomanip> |
| 12 | #include <sstream> |