diff --git a/Gemfile.lock b/Gemfile.lock
index a5d01fe..4df760c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,7 +76,8 @@ GEM
     regexp_parser (2.9.0)
     request_store (1.5.1)
       rack (>= 1.4)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rollbar (3.5.2)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
@@ -124,6 +125,7 @@ GEM
     standard-performance (1.3.1)
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.20.2)
+    strscan (3.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)