diff --git a/Gemfile.lock b/Gemfile.lock
index 4213229..96fc579 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -175,7 +175,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     regexp_parser (2.1.1)
-    rexml (3.2.5)
+    rexml (3.3.9)
     rollbar (3.1.2)
     rubocop (1.12.0)
       parallel (~> 1.10)