diff --git a/Gemfile.lock b/Gemfile.lock
index 6e5b0583..7b0f936c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -310,7 +310,8 @@ GEM
       actionpack (>= 5.0)
       railties (>= 5.0)
     retriable (3.1.2)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec-core (3.9.2)
       rspec-support (~> 3.9.3)
     rspec-expectations (3.9.2)
@@ -384,6 +385,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    strscan (3.1.0)
     thor (1.1.0)
     thread_safe (0.3.6)
     tilt (2.0.10)