diff --git a/site/Gemfile.lock b/site/Gemfile.lock
index ce5022a1..dded2146 100644
--- a/site/Gemfile.lock
+++ b/site/Gemfile.lock
@@ -71,11 +71,13 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.3)
+      strscan
     rouge (3.26.1)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
+    strscan (3.1.0)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     toml-rb (2.1.0)