diff --git a/Gemfile.lock b/Gemfile.lock
index 8c7cefe9..b7bcfdf0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -221,7 +221,7 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     retriable (3.1.2)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rouge (2.0.7)
     ruby2_keywords (0.0.5)