diff --git a/libcpp/makeucnid.cc b/libcpp/makeucnid.cc
index 2d1b2cbdac6..66d31a83640 100644
--- a/libcpp/makeucnid.cc
+++ b/libcpp/makeucnid.cc
@@ -467,7 +467,7 @@ write_copyright (void)
    <http://www.gnu.org/licenses/>.\n\
 \n\
 \n\
-   Copyright (C) 1991-2005 Unicode, Inc.  All rights reserved.\n\
+   Copyright (C) 1991-2022 Unicode, Inc.  All rights reserved.\n\
    Distributed under the Terms of Use in\n\
    http://www.unicode.org/copyright.html.\n\
 \n\
diff --git a/libcpp/makeuname2c.cc b/libcpp/makeuname2c.cc
index c47d230eb5f..16d544d4994 100644
--- a/libcpp/makeuname2c.cc
+++ b/libcpp/makeuname2c.cc
@@ -669,7 +669,7 @@ write_copyright (void)
    <http://www.gnu.org/licenses/>.\n\
 \n\
 \n\
-   Copyright (C) 1991-2021 Unicode, Inc.  All rights reserved.\n\
+   Copyright (C) 1991-2022 Unicode, Inc.  All rights reserved.\n\
    Distributed under the Terms of Use in\n\
    http://www.unicode.org/copyright.html.\n\
 \n\
diff --git a/libcpp/ucnid.h b/libcpp/ucnid.h
index 0cf520f9391..dcf6c76440f 100644
--- a/libcpp/ucnid.h
+++ b/libcpp/ucnid.h
@@ -16,7 +16,7 @@
    <http://www.gnu.org/licenses/>.
 
 
-   Copyright (C) 1991-2005 Unicode, Inc.  All rights reserved.
+   Copyright (C) 1991-2022 Unicode, Inc.  All rights reserved.
    Distributed under the Terms of Use in
    http://www.unicode.org/copyright.html.
 
diff --git a/libcpp/uname2c.h b/libcpp/uname2c.h
index 3d449ae7e24..6a1ed9b3f4a 100644
--- a/libcpp/uname2c.h
+++ b/libcpp/uname2c.h
@@ -16,7 +16,7 @@
    <http://www.gnu.org/licenses/>.
 
 
-   Copyright (C) 1991-2021 Unicode, Inc.  All rights reserved.
+   Copyright (C) 1991-2022 Unicode, Inc.  All rights reserved.
    Distributed under the Terms of Use in
    http://www.unicode.org/copyright.html.