diff --git a/Gemfile.lock b/Gemfile.lock
index 872bc22e3..f15c1d4fa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -620,7 +620,7 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.3.8)
+    rexml (3.3.9)
     rinku (2.0.6)
     rouge (4.4.0)
     rspec (3.13.0)