diff --git a/Gemfile.lock b/Gemfile.lock
index 1105a17ea..46186ef83 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       concurrent-ruby (~> 1.0)
     json (1.8.6)
     kgio (2.11.2)
-    loofah (2.2.1)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.8.2)