diff --git a/Gemfile.lock b/Gemfile.lock
index 89645b1b9..38ed010dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -762,7 +762,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    sitemap_generator (6.1.1)
+    sitemap_generator (6.1.2)
       builder (~> 3.0)
     slack-notifier (2.3.2)
     smart_properties (1.15.0)
diff --git a/vendor/cache/sitemap_generator-6.1.1.gem b/vendor/cache/sitemap_generator-6.1.1.gem
deleted file mode 100644
index 4f2be8907..000000000
Binary files a/vendor/cache/sitemap_generator-6.1.1.gem and /dev/null differ
diff --git a/vendor/cache/sitemap_generator-6.1.2.gem b/vendor/cache/sitemap_generator-6.1.2.gem
new file mode 100644
index 000000000..441f85f49
Binary files /dev/null and b/vendor/cache/sitemap_generator-6.1.2.gem differ