diff --git a/Gemfile.lock b/Gemfile.lock
index dbcd617e..16242ea5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -345,7 +345,8 @@ GEM
     responders (3.1.0)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rollbar (3.4.0)
     rspec-core (3.12.1)
       rspec-support (~> 3.12.0)
@@ -415,6 +416,7 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
+    strscan (3.1.0)
     thor (1.2.1)
     tilt (2.1.0)
     timeout (0.3.2)