diff --git a/Gemfile.lock b/Gemfile.lock
index 2570d92..0d4b35e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,8 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.7.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubocop (1.13.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
@@ -41,6 +42,7 @@ GEM
       rubocop (~> 1.11)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)
+    strscan (3.1.0)
     unicode-display_width (2.4.2)
 
 PLATFORMS