diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ba7c3c..a1595b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 ## [Unreleased]
 
+## [0.3.0] - 2023-09-18
+
+- Only return unique sitemaps.
+
+## [0.2.0] - 2023-09-10
+
+- Correctly handle multiple sitemaps + tests.
 ## [0.1.0] - 2023-09-09
 
 - Initial release
diff --git a/lib/probot.rb b/lib/probot.rb
index e1002e3..d4535af 100644
--- a/lib/probot.rb
+++ b/lib/probot.rb
@@ -108,6 +108,7 @@ class Probot
         sitemap_uri = URI(data.value)
         sitemap_uri = sitemap_uri.host.nil? ? URI.join(*[site, sitemap_uri].compact) : sitemap_uri
         @sitemaps << sitemap_uri.to_s
+        @sitemaps.uniq!
         next
       end