diff --git a/Gemfile.lock b/Gemfile.lock
index 489fe855fa8..70ef27c4708 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,12 +86,14 @@ GEM
     open4 (1.3.4)
     public_suffix (4.0.6)
     redcarpet (3.5.1)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (2.0.7)
     ruby-macho (2.5.1)
     sassc (2.4.0)
       ffi (~> 1.9)
     sqlite3 (1.4.2)
+    strscan (3.1.0)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
     tzinfo (2.0.6)