diff --git a/_config.yml b/_config.yml
index 6928a22..45d4908 100644
--- a/_config.yml
+++ b/_config.yml
@@ -19,7 +19,7 @@
 # in the templates via {{ site.myvariable }}.
 
 title: cesium
-email: cesium2349@outlook.com
+email: cesium2349@protonmail.com
 baseurl: "" # the subpath of your site, e.g. /blog
 url: "https://cesium.one" # the base hostname & protocol for your site, e.g. http://example.com
 twitter_username: cesium2349