diff --git a/Gemfile.lock b/Gemfile.lock
index 52708d5..32cf5dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,8 +57,7 @@ GEM
     rainbow (3.1.1)
     rake (13.2.1)
     regexp_parser (2.9.1)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -172,7 +171,6 @@ GEM
       standard-custom (>= 1.0.2, < 2)
       standard-performance (>= 1.3.1, < 2)
       version_gem (>= 1.1.4, < 3)
-    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     tzinfo (2.0.6)