diff --git a/Gemfile.lock b/Gemfile.lock
index 3d14f16f..abf6414e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -280,7 +280,8 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec-core (3.12.2)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.3)
@@ -360,6 +361,7 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
+    strscan (3.1.0)
     temple (0.9.1)
     terrapin (0.6.0)
       climate_control (>= 0.0.3, < 1.0)