diff --git a/Gemfile.lock b/Gemfile.lock
index 14a9f15..895fe95 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -260,8 +260,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.3.5)
-      strscan
+    rexml (3.3.8)
     rouge (3.30.0)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
@@ -291,7 +290,6 @@ GEM
       faraday (>= 0.17.3, < 3)
     securerandom (0.3.1)
     simpleidn (0.2.3)
-    strscan (3.1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     typhoeus (1.4.1)