diff --git a/Gemfile.lock b/Gemfile.lock
index 93d76406f..fc64cad48 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -414,7 +414,8 @@ GEM
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     retriable (3.1.2)
-    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)
@@ -521,6 +522,7 @@ GEM
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.21.0)
     stringio (3.1.0)
+    strscan (3.1.0)
     swd (2.0.3)
       activesupport (>= 3)
       attr_required (>= 0.0.5)