diff --git a/README.md b/README.md
index 266114b..2a3b9be 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ copyright = "© Copyright notice"
     github = "Your GitHub username"
     linkedin = "Your LinkedIn username"
     facebook = "Your Facebook username"
+    stackoverflow = "Your Stackoverflow profile"
     # Google Analytics API key.
     ga_api_key = "Your Google Analytics tracking id"
     # Mixpanel API key.
diff --git a/layouts/partials/link.html b/layouts/partials/link.html
index b6d4e28..831abae 100644
--- a/layouts/partials/link.html
+++ b/layouts/partials/link.html
@@ -14,6 +14,11 @@
     <i class="fa fa-github"></i>
   </a>
   {{ end }}
+  {{ with .Site.Params.stackoverflow }}
+  <a href="{{ . }}" target="_blank">
+    <i class="fa fa-stack-overflow"></i>
+  </a>
+  {{ end }}
   {{ with .Site.Params.linkedin }}
   <a href="https://jp.linkedin.com/in/{{ . }}" target="_blank">
     <i class="fa fa-linkedin"></i>