diff --git a/Gemfile.lock b/Gemfile.lock
index c2a544a08..799daa245 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -511,7 +511,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.3)
+    rexml (3.3.6)
       strscan
     rinku (2.0.6)
     ros-apartment (2.11.0)