diff --git a/Gemfile.lock b/Gemfile.lock
index 5bdb7ad..c4d9878 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,8 @@ GEM
     rake (13.0.6)
     reline (0.3.2)
       io-console (~> 0.5)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -60,6 +61,7 @@ GEM
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
+    strscan (3.1.0)
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
@@ -71,6 +73,7 @@ GEM
 PLATFORMS
   arm64-darwin-21
   arm64-darwin-22
+  x86_64-linux
 
 DEPENDENCIES
   coveralls