diff --git a/Gemfile.lock b/Gemfile.lock
index a59b724..f9eeec3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -213,8 +213,7 @@ GEM
     regexp_parser (2.8.2)
     reline (0.5.6)
       io-console (~> 0.5)
-    rexml (3.2.8)
-      strscan (>= 3.0.9)
+    rexml (3.3.9)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -260,7 +259,6 @@ GEM
     sqlite3 (1.5.1)
       mini_portile2 (~> 2.8.0)
     stringio (3.1.0)
-    strscan (3.1.0)
     super_diff (0.10.0)
       attr_extras (>= 6.2.4)
       diff-lcs