diff --git a/python/python3-isoduration/python3-isoduration.SlackBuild b/python/python3-isoduration/python3-isoduration.SlackBuild
index ae89fd58c2..ad1c5a05ae 100644
--- a/python/python3-isoduration/python3-isoduration.SlackBuild
+++ b/python/python3-isoduration/python3-isoduration.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for python3-isoduration
 
-# Copyright 2022 Isaac Yu <isaacyu1@isaacyu1.com>
+# Copyright 2022 Isaac Yu <isaacyu@protonmail.com>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
diff --git a/python/python3-isoduration/python3-isoduration.info b/python/python3-isoduration/python3-isoduration.info
index 55c576e1bb..1f79269abe 100644
--- a/python/python3-isoduration/python3-isoduration.info
+++ b/python/python3-isoduration/python3-isoduration.info
@@ -7,4 +7,4 @@ DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="python3-arrow python3-build python3-wheel"
 MAINTAINER="Isaac Yu"
-EMAIL="isaacyu1@isaacyu1.com"
+EMAIL="isaacyu@protonmail.com"