diff --git a/Gemfile.lock b/Gemfile.lock
index 8a7427a..0a4eddf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,9 +14,11 @@ GEM
       rouge
       rubyzip
       tty-logger
-    rexml (3.2.5)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (4.1.2)
     rubyzip (2.3.2)
+    strscan (3.1.0)
     tty-color (0.6.0)
     tty-logger (0.6.0)
       pastel (~> 0.8)