diff --git a/Gemfile.lock b/Gemfile.lock
index 1685801..44c69e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,8 +156,8 @@ GEM
     regexp_parser (2.5.0)
     request_store (1.5.1)
       rack (>= 1.4)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.3)
+      strscan
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)