diff --git a/Gemfile.lock b/Gemfile.lock
index 3e3faf947..7b36164b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -442,7 +442,8 @@ GEM
       railties (>= 5.0)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.11.0)
       rspec-core (~> 3.11.0)
       rspec-expectations (~> 3.11.0)
@@ -541,6 +542,7 @@ GEM
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     stackprof (0.2.19)
+    strscan (3.1.0)
     temple (0.8.2)
     thor (1.2.1)
     thread_safe (0.3.6)