diff --git a/_config.yml b/_config.yml
index c9699e8..f65e8a8 100644
--- a/_config.yml
+++ b/_config.yml
@@ -70,6 +70,8 @@ og_image: # The site-wide (default for all links) Open Graph preview image
github_username: # your GitHub user name
gitlab_username: # your GitLab user name
twitter_username: # your Twitter handle
+mastodon_username: # your mastodon username
+mastodon_instance: # your mastodon instance
linkedin_username: # your LinkedIn user name
scholar_userid: # your Google Scholar ID
semanticscholar_id: # your Semantic Scholar ID
diff --git a/_includes/social.html b/_includes/social.html
index e6a75b7..a600762 100644
--- a/_includes/social.html
+++ b/_includes/social.html
@@ -28,6 +28,9 @@
{%- if site.twitter_username -%}
{% endif %}
+ {%- if site.mastodon_instance and site.mastodon_username -%}
+
+ {% endif %}
{%- if site.medium_username -%}
{% endif %}