diff --git a/Gemfile.lock b/Gemfile.lock
index a803ade12..71ca05acc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,8 +54,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     rouge (4.0.1)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -69,7 +68,6 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    strscan (3.1.0)
     support-for (1.0.7)
       sass (~> 3.3)
     terminal-table (3.0.2)