diff --git a/RB120/Gemfile.lock b/RB120/Gemfile.lock
index 44db87e..9c6cf75 100644
--- a/RB120/Gemfile.lock
+++ b/RB120/Gemfile.lock
@@ -8,7 +8,8 @@ GEM
       ast (~> 2.4.1)
     rainbow (3.1.1)
     regexp_parser (2.5.0)
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rubocop (0.86.0)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
@@ -21,6 +22,7 @@ GEM
     rubocop-ast (0.8.0)
       parser (>= 2.7.1.5)
     ruby-progressbar (1.11.0)
+    strscan (3.1.0)
     unicode-display_width (1.8.0)
 
 PLATFORMS