diff --git a/Gemfile.lock b/Gemfile.lock
index 0b9a03c90..34ed558fd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -153,7 +153,8 @@ GEM
     rake (13.0.6)
     rchardet (1.8.0)
     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)
     ruby2_keywords (0.0.5)
@@ -169,6 +170,7 @@ GEM
       nokogiri (>= 1.14.3)
       xcodeproj (~> 1.21)
     sqlite3 (1.4.2)
+    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     typhoeus (1.4.1)