diff --git a/src/Gemfile.lock b/src/Gemfile.lock
index 636c9269..c5ac0ced 100644
--- a/src/Gemfile.lock
+++ b/src/Gemfile.lock
@@ -72,13 +72,11 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    strscan (3.1.0)
     svg_optimizer (0.3.0)
       nokogiri
     terminal-table (2.0.0)