diff --git a/Gemfile.lock b/Gemfile.lock
index 202135d5e..ef9864639 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -421,7 +421,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.1)
-    sitemap_generator (6.0.0)
+    sitemap_generator (6.0.1)
       builder (~> 3.0)
     social-share-button (1.1.0)
       coffee-rails