diff --git a/balloon-sha1.c b/balloon-sha1.c
index 7238b487da2e75aeac489461e6925d16aa60246f..71c86e1d16e9d477986b85ddaf383038a1ee9f98 100644
--- a/balloon-sha1.c
+++ b/balloon-sha1.c
@@ -3,6 +3,7 @@
    Balloon password-hashing algorithm.
 
    Copyright (C) 2022 Zoltan Fridrich
+   Copyright (C) 2022 Red Hat, Inc.
 
    This file is part of GNU Nettle.
 
diff --git a/balloon-sha256.c b/balloon-sha256.c
index 63c7fbf6e85b1d0258e8cd1718e2ef0c539e05e1..fe31a6919dab8bd89f393664d22947f758e714ef 100644
--- a/balloon-sha256.c
+++ b/balloon-sha256.c
@@ -3,6 +3,7 @@
    Balloon password-hashing algorithm.
 
    Copyright (C) 2022 Zoltan Fridrich
+   Copyright (C) 2022 Red Hat, Inc.
 
    This file is part of GNU Nettle.
 
diff --git a/balloon-sha384.c b/balloon-sha384.c
index 4a7dcbbf39859c54f6a41891d1b4a35272a64eb7..682944963660a1b04a299e719ebb7ee593b2fabe 100644
--- a/balloon-sha384.c
+++ b/balloon-sha384.c
@@ -3,6 +3,7 @@
    Balloon password-hashing algorithm.
 
    Copyright (C) 2022 Zoltan Fridrich
+   Copyright (C) 2022 Red Hat, Inc.
 
    This file is part of GNU Nettle.
 
diff --git a/balloon-sha512.c b/balloon-sha512.c
index 0919b68f40cc8c6e3be6f5763683a8fb2b31257e..f19f8aa09d579524a7edbc0b34dbe00c16ee464b 100644
--- a/balloon-sha512.c
+++ b/balloon-sha512.c
@@ -3,6 +3,7 @@
    Balloon password-hashing algorithm.
 
    Copyright (C) 2022 Zoltan Fridrich
+   Copyright (C) 2022 Red Hat, Inc.
 
    This file is part of GNU Nettle.
 
diff --git a/balloon.c b/balloon.c
index d135ee86d4a74af3dbf019ecce25a92f46c0b522..c744160ad4d130b54d335fe9ccfd0c44c1d91870 100644
--- a/balloon.c
+++ b/balloon.c
@@ -3,6 +3,7 @@
    Balloon password-hashing algorithm.
 
    Copyright (C) 2022 Zoltan Fridrich
+   Copyright (C) 2022 Red Hat, Inc.
 
    This file is part of GNU Nettle.
 
diff --git a/balloon.h b/balloon.h
index a1a6d24dda061de11f76666e0ee8b9ab4fe8d00f..9c02192594e2d03dbcb77bfff0eb4227bd69f45d 100644
--- a/balloon.h
+++ b/balloon.h
@@ -3,6 +3,7 @@
    Balloon password-hashing algorithm.
 
    Copyright (C) 2022 Zoltan Fridrich
+   Copyright (C) 2022 Red Hat, Inc.
 
    This file is part of GNU Nettle.