diff --git a/Gemfile.lock b/Gemfile.lock
index f569a02..7c17bea 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,8 +125,7 @@ GEM
     regexp_parser (2.9.2)
     reverse_markdown (2.1.1)
       nokogiri
-    rexml (3.3.5)
-      strscan
+    rexml (3.3.9)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -214,7 +213,6 @@ GEM
     sqlite3 (1.7.3-x86-linux)
     sqlite3 (1.7.3-x86_64-darwin)
     sqlite3 (1.7.3-x86_64-linux)
-    strscan (3.1.0)
     thor (1.3.1)
     tilt (2.4.0)
     timeout (0.4.1)