diff --git a/Gemfile.lock b/Gemfile.lock
index 484639768..928c9ae85 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,13 +94,15 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     public_suffix (4.0.6)
     rake (13.0.6)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (2.0.7)
     ruby-macho (1.4.0)
     ruby2_keywords (0.0.5)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)
+    strscan (3.1.0)
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)