diff --git a/README.md b/README.md
index f9dced5..9fb3da3 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ $ ./hadcrut5-plot.py --help
 usage: hadcrut5-plot.py [-h] [-f OUTFILE] [-p PERIOD] [-m SMOOTHER] [-g] [-n] [-s] [-a ANNOTATE] [-v]
 
 Parse and plot the HadCRUT5 temperature datasets v2023.1 (stable)
-Copyright (C) 2020-2023 Davide Madrisan <davide.madrisan@gmail.com>
+Copyright (C) 2020-2023 Davide Madrisan <d.madrisan@proton.me>
 License: GNU General Public License v3.0
 
 options:
@@ -105,7 +105,7 @@ $ ./hadcrut5-plot.py --global --period "1880-1920" --time-series monthly
 usage: hadcrut5-bars.py [-h] [-f OUTFILE] [-p PERIOD] [-v]
 
 Parse and plot the HadCRUT5 temperature datasets v2023.1 (stable)
-Copyright (C) 2020-2023 Davide Madrisan <davide.madrisan@gmail.com>
+Copyright (C) 2020-2023 Davide Madrisan <d.madrisan@proton.me>
 License: GNU General Public License v3.0
 
 options:
@@ -134,7 +134,7 @@ $ ./hadcrut5-bars.py --period "1880-1920" --outfile plots/HadCRUT5-global-1880-1
 usage: hadcrut5-stripe.py [-h] [-f OUTFILE] [-r {global,northern,southern}] [-v] [-l]
 
 Parse and plot a stripe image of the HadCRUT5 temperature datasets v2023.1 (stable)
-Copyright (C) 2020-2023 Davide Madrisan <davide.madrisan@gmail.com>
+Copyright (C) 2020-2023 Davide Madrisan <d.madrisan@proton.me>
 License: GNU General Public License v3.0
 
 options:
diff --git a/hadcrut5-bars.py b/hadcrut5-bars.py
index eb2189c..c84f61f 100755
--- a/hadcrut5-bars.py
+++ b/hadcrut5-bars.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-# Copyright (c) 2020-2022 Davide Madrisan <davide.madrisan@gmail.com>
+# Copyright (c) 2020-2022 Davide Madrisan <d.madrisan@proton.me>
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 """
diff --git a/hadcrut5-plot.py b/hadcrut5-plot.py
index b89e330..5eb109a 100755
--- a/hadcrut5-plot.py
+++ b/hadcrut5-plot.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-# Copyright (c) 2020-2022 Davide Madrisan <davide.madrisan@gmail.com>
+# Copyright (c) 2020-2023 Davide Madrisan <d.madrisan@proton.me>
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 """
diff --git a/hadcrut5-stripe.py b/hadcrut5-stripe.py
index f6800bf..846cee9 100755
--- a/hadcrut5-stripe.py
+++ b/hadcrut5-stripe.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-# Copyright (c) 2023 Davide Madrisan <davide.madrisan@gmail.com>
+# Copyright (c) 2023 Davide Madrisan <d.madrisan@proton.me>
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 """
diff --git a/hadcrut5lib.py b/hadcrut5lib.py
index 8d66ae7..d5b4804 100755
--- a/hadcrut5lib.py
+++ b/hadcrut5lib.py
@@ -1,5 +1,5 @@
 #!/usr/bin/python3
-# Copyright (c) 2020-2022 Davide Madrisan <davide.madrisan@gmail.com>
+# Copyright (c) 2020-2022 Davide Madrisan <d.madrisan@proton.me>
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 """
@@ -21,7 +21,7 @@
 __copyright__ = "Copyright (C) 2020-2023 Davide Madrisan"
 __license__ = "GNU General Public License v3.0"
 __version__ = "2023.1"
-__email__ = "davide.madrisan@gmail.com"
+__email__ = "d.madrisan@proton.me"
 __status__ = "stable"