diff --git a/build_tests/gflags.cc b/build_tests/gflags.cc
index b2f0d08..b5bcb57 100644
--- a/build_tests/gflags.cc
+++ b/build_tests/gflags.cc
@@ -1,5 +1,5 @@
-#include "gflags/gflags.h"
+#include "absl/flags/flag.h"
 
-DEFINE_int32(test_flag, 0, "Test command-line flag");
+ABSL_FLAG(int32_t, test_flag, 0, "Test command-line flag");
 
-int main() { return FLAGS_test_flag; }
+int main() { return absl::GetFlag(FLAGS_test_flag); }