diff --git a/Gemfile.lock b/Gemfile.lock
index a3b837a..b8c0ceb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,8 @@ GEM
       ruby-progressbar
     public_suffix (5.0.5)
     rake (13.2.1)
-    rexml (3.2.6)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     ruby-progressbar (1.13.0)
     simplecov (0.22.0)
       docile (~> 1.1)
@@ -56,6 +57,7 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
+    strscan (3.1.0)
     vcr (6.2.0)
     webmock (3.23.0)
       addressable (>= 2.8.0)