diff --git a/Gemfile.lock b/Gemfile.lock
index 1741eaa..9ee56d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -25,7 +25,8 @@ GEM
     public_suffix (4.0.5)
     rainbow (3.0.0)
     rake (13.0.1)
-    rexml (3.2.4)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -54,6 +55,7 @@ GEM
     standard (0.4.1)
       rubocop (~> 0.82.0)
       rubocop-performance (~> 1.5.2)
+    strscan (3.1.0)
     unicode-display_width (1.7.0)
     vcr (5.1.0)
     webmock (3.8.3)