diff --git a/eval/internal/cel_value_equal_test.cc b/eval/internal/cel_value_equal_test.cc
index f52f38916..109a63795 100644
--- a/eval/internal/cel_value_equal_test.cc
+++ b/eval/internal/cel_value_equal_test.cc
@@ -67,7 +67,7 @@ using ::testing::ValuesIn;
 struct EqualityTestCase {
   enum class ErrorKind { kMissingOverload, kMissingIdentifier };
   absl::string_view expr;
-  absl::variant<bool, ErrorKind> result;
+  std::variant<bool, ErrorKind> result;
   CelValue lhs = CelValue::CreateNull();
   CelValue rhs = CelValue::CreateNull();
 };