diff --git a/Gemfile.lock b/Gemfile.lock
index 57890bc..4972685 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,11 +14,9 @@ GEM
       rouge
       rubyzip
       tty-logger
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (4.3.0)
     rubyzip (2.3.2)
-    strscan (3.1.0)
     tty-color (0.6.0)
     tty-logger (0.6.0)
       pastel (~> 0.8)