diff --git a/Gemfile.lock b/Gemfile.lock
index ffb7da3e..291014eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
     activesupport (3.2.16)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    acts_as_tree (1.4.0)
+    acts_as_tree (1.5.0)
       activerecord (>= 3.0.0)
     afm (0.2.0)
     arel (3.0.3)
@@ -192,7 +192,7 @@ GEM
     net-ssh (2.7.0)
     net-ssh-gateway (1.2.0)
       net-ssh (>= 2.6.5)
-    nokogiri (1.6.0)
+    nokogiri (1.6.1)
       mini_portile (~> 0.5.0)
     pdf-reader (1.3.3)
       Ascii85 (~> 1.0.0)
@@ -203,9 +203,11 @@ GEM
     polyamorous (0.5.0)
       activerecord (~> 3.0)
     polyglot (0.3.3)
-    prawn (0.12.0)
-      pdf-reader (>= 0.9.0)
-      ttfunk (~> 1.0.2)
+    prawn (0.13.0)
+      afm
+      pdf-reader (~> 1.2)
+      ruby-rc4
+      ttfunk (~> 1.0.3)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
     rack (1.4.5)
@@ -273,9 +275,9 @@ GEM
       rspec-mocks (~> 2.14.0)
     rspec-rerun (0.1.3)
       rspec (>= 2.11.0)
-    ruby-prof (0.13.0)
+    ruby-prof (0.13.1)
     ruby-rc4 (0.1.5)
-    rubyzip (1.0.0)
+    rubyzip (1.1.0)
     sass (3.2.12)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
@@ -283,10 +285,10 @@ GEM
       tilt (~> 1.3)
     select2-rails (3.5.2)
       thor (~> 0.14)
-    selenium-webdriver (2.37.0)
+    selenium-webdriver (2.39.0)
       childprocess (>= 0.2.5)
       multi_json (~> 1.0)
-      rubyzip (~> 1.0.0)
+      rubyzip (~> 1.0)
       websocket (~> 1.0.4)
     simple-navigation (3.11.0)
       activesupport (>= 2.3.2)
@@ -336,14 +338,14 @@ GEM
       rails (>= 3.1)
       railties (>= 3.1)
     tzinfo (0.3.38)
-    uglifier (2.3.2)
+    uglifier (2.3.3)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     uniform_notifier (1.4.0)
     vegas (0.1.11)
       rack (>= 1.0.0)
     websocket (1.0.7)
-    whenever (0.8.4)
+    whenever (0.9.0)
       activesupport (>= 2.3.4)
       chronic (>= 0.6.3)
     wikicloth (0.8.0)