diff --git a/Gemfile.lock b/Gemfile.lock
index 74ecb09..ffeb43a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     regexp_parser (2.9.2)
     require_bench (1.0.4)
       version_gem (>= 1.1.3, < 4)
-    rexml (3.3.7)
+    rexml (3.3.9)
     rots (1.0.0)
       date
       openssl