diff --git a/Gemfile.lock b/Gemfile.lock
index cbd2bfd..090e5aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,10 +11,8 @@ GEM
       with_env (= 1.1.0)
       xml-simple (~> 1.1.9)
     racc (1.8.1)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rubyzip (2.3.2)
-    strscan (3.1.0)
     thor (1.3.1)
     tomlrb (2.0.3)
     with_env (1.1.0)