diff --git a/Gemfile.lock b/Gemfile.lock
index d2c84309..761f6cc0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,8 +75,7 @@ GEM
     rdoc (6.7.0)
       psych (>= 4.0.0)
     redcarpet (3.6.0)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.9)
     ruby-enum (0.9.0)
       i18n
     rubypants (0.7.1)
@@ -85,7 +84,6 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     stringio (3.1.1)
-    strscan (3.1.0)
     tdiff (0.4.0)
     twitter-text (1.14.7)
       unf (~> 0.1.0)