diff --git a/Gemfile.lock b/Gemfile.lock
index 4d714b3..400731e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
       ffi (~> 1.0)
     rdoc (6.4.1.1)
       psych (>= 4.0.0)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rouge (4.2.1)
     safe_yaml (1.0.5)