diff --git a/cpp-client/deephaven/dhclient/include/public/deephaven/client/utility/internal_types.h b/cpp-client/deephaven/dhclient/include/public/deephaven/client/utility/internal_types.h
index bedc713f20f..3205b2376be 100644
--- a/cpp-client/deephaven/dhclient/include/public/deephaven/client/utility/internal_types.h
+++ b/cpp-client/deephaven/dhclient/include/public/deephaven/client/utility/internal_types.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2024 Deephaven Data Labs and Patent Pending
+ * Copyright (c) 2016-2025 Deephaven Data Labs and Patent Pending
  */
 #pragma once
 
diff --git a/cpp-client/deephaven/dhclient/src/arrowutil/arrow_column_source.cc b/cpp-client/deephaven/dhclient/src/arrowutil/arrow_column_source.cc
index 1131eba68a3..433345633cf 100644
--- a/cpp-client/deephaven/dhclient/src/arrowutil/arrow_column_source.cc
+++ b/cpp-client/deephaven/dhclient/src/arrowutil/arrow_column_source.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2024 Deephaven Data Labs and Patent Pending
+ * Copyright (c) 2016-2025 Deephaven Data Labs and Patent Pending
  */
 #include "deephaven/client/arrowutil/arrow_column_source.h"
 #include "deephaven/client/utility/arrow_util.h"
diff --git a/cpp-client/deephaven/tests/src/time_unit_test.cc b/cpp-client/deephaven/tests/src/time_unit_test.cc
index f3b605b9539..2a47816cff2 100644
--- a/cpp-client/deephaven/tests/src/time_unit_test.cc
+++ b/cpp-client/deephaven/tests/src/time_unit_test.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2024 Deephaven Data Labs and Patent Pending
+ * Copyright (c) 2016-2025 Deephaven Data Labs and Patent Pending
  */
 #include <iostream>
 #include "deephaven/third_party/catch.hpp"