diff --git a/share/etc/defaultrc b/share/etc/defaultrc
index 10d4ffeb4c..3a2c163954 100644
--- a/share/etc/defaultrc
+++ b/share/etc/defaultrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/cloud/ec2/etc/econe.conf b/src/cloud/ec2/etc/econe.conf
index d8056ece41..5c738c2168 100644
--- a/src/cloud/ec2/etc/econe.conf
+++ b/src/cloud/ec2/etc/econe.conf
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/flow/etc/oneflow-server.conf b/src/flow/etc/oneflow-server.conf
index 5b350cae2b..0fbcb98810 100644
--- a/src/flow/etc/oneflow-server.conf
+++ b/src/flow/etc/oneflow-server.conf
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/hem/etc/onehem-server.conf b/src/hem/etc/onehem-server.conf
index 99faaa4e4d..dd19031829 100644
--- a/src/hem/etc/onehem-server.conf
+++ b/src/hem/etc/onehem-server.conf
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/hm_mad/hmrc b/src/hm_mad/hmrc
index e6fec04ed6..a996a65144 100644
--- a/src/hm_mad/hmrc
+++ b/src/hm_mad/hmrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/onegate/etc/onegate-server.conf b/src/onegate/etc/onegate-server.conf
index bcb2a8815c..8e3e5f0aab 100644
--- a/src/onegate/etc/onegate-server.conf
+++ b/src/onegate/etc/onegate-server.conf
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/sunstone/etc/sunstone-server.conf b/src/sunstone/etc/sunstone-server.conf
index 19b33cd8b0..6f5e0cb3a9 100644
--- a/src/sunstone/etc/sunstone-server.conf
+++ b/src/sunstone/etc/sunstone-server.conf
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/tm_mad/tmrc b/src/tm_mad/tmrc
index bcfed43de9..0abdc95f4d 100644
--- a/src/tm_mad/tmrc
+++ b/src/tm_mad/tmrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project (OpenNebula.org), C12G Labs        #
+# Copyright 2002-2021, OpenNebula Project (OpenNebula.org), C12G Labs        #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/vmm_mad/exec/vmm_execrc b/src/vmm_mad/exec/vmm_execrc
index 28cb864e02..1cf1015052 100644
--- a/src/vmm_mad/exec/vmm_execrc
+++ b/src/vmm_mad/exec/vmm_execrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/vmm_mad/remotes/firecracker/firecrackerrc b/src/vmm_mad/remotes/firecracker/firecrackerrc
index 7ebc617080..50ee786fc2 100644
--- a/src/vmm_mad/remotes/firecracker/firecrackerrc
+++ b/src/vmm_mad/remotes/firecracker/firecrackerrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/vmm_mad/remotes/kvm/kvmrc b/src/vmm_mad/remotes/kvm/kvmrc
index 87ea9d2988..74358f5c31 100644
--- a/src/vmm_mad/remotes/kvm/kvmrc
+++ b/src/vmm_mad/remotes/kvm/kvmrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/vmm_mad/remotes/lxd/lxdrc b/src/vmm_mad/remotes/lxd/lxdrc
index 8a155bfa7d..1f992e5dcf 100644
--- a/src/vmm_mad/remotes/lxd/lxdrc
+++ b/src/vmm_mad/remotes/lxd/lxdrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #
diff --git a/src/vmm_mad/remotes/vcenter/vcenterrc b/src/vmm_mad/remotes/vcenter/vcenterrc
index d50f7607e8..24a45fb7dc 100644
--- a/src/vmm_mad/remotes/vcenter/vcenterrc
+++ b/src/vmm_mad/remotes/vcenter/vcenterrc
@@ -1,5 +1,5 @@
 # -------------------------------------------------------------------------- #
-# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems                #
+# Copyright 2002-2021, OpenNebula Project, OpenNebula Systems                #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
 # not use this file except in compliance with the License. You may obtain    #