diff --git a/Gemfile.lock b/Gemfile.lock
index 7b98ecb4e..3d9634f13 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -511,7 +511,8 @@ GEM
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -645,6 +646,7 @@ GEM
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.20.2)
     statesman (3.5.0)
+    strscan (3.1.0)
     temple (0.8.2)
     thor (1.3.0)
     thread_safe (0.3.6)