diff --git a/Gemfile.lock b/Gemfile.lock
index 27fe2b4..fc622c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
     netrc (0.11.0)
     nkf (0.2.0)
     public_suffix (4.0.7)
-    rexml (3.4.1)
+    rexml (3.4.2)
     rouge (3.28.0)
     ruby-macho (2.5.1)
     securerandom (0.3.2)