diff --git a/Gemfile.lock b/Gemfile.lock
index bc8c0562..24677233 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -251,8 +251,8 @@ GEM
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rspec-core (3.11.0)
       rspec-support (~> 3.11.0)
     rspec-expectations (3.11.0)