diff --git a/contact.markdown b/contact.markdown
index 70a2584..8a4b2a5 100644
--- a/contact.markdown
+++ b/contact.markdown
@@ -8,3 +8,4 @@ I live in Espoo Finland. You can contact me on any of the following services.
 - **Slack**: masser@functionalprogramming.slack.com
 - **IRC**: MasseR@freenode
 - **Mastodon**: MasseR@mastodon.social
+- **Keybase**: [https://keybase.io/MasseR](https://keybase.io/MasseR)