diff --git a/Gemfile b/Gemfile
index c0e2fcca6..4d848a19d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -36,7 +36,7 @@ gem "middleman-blog"
 gem "middleman-favicon-maker"
 
 # HTML & XML parsing smarts
-gem "nokogiri", "~> 1.6.0"
+gem "nokogiri", "~> 1.13.9"
 gem 'mini_portile'
 
 # Syntax highlighting
diff --git a/Gemfile.lock b/Gemfile.lock
index 725f326df..a8ad31d0e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,12 +126,13 @@ GEM
       middleman-core (>= 3.2)
       rouge (~> 2.0)
     mini_portile (0.6.2)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.14.1)
     multipart-post (2.0.0)
-    nokogiri (1.6.8.1)
-      mini_portile2 (~> 2.1.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oj (3.5.0)
     open-uri-cached (0.0.5)
     padrino-helpers (0.12.9)
@@ -140,6 +141,7 @@ GEM
       tilt (>= 1.4.1, < 3)
     padrino-support (0.12.9)
       activesupport (>= 3.1)
+    racc (1.6.0)
     rack (1.6.12)
     rack-livereload (0.3.16)
       rack
@@ -213,12 +215,12 @@ DEPENDENCIES
   middleman-livereload
   middleman-syntax
   mini_portile
-  nokogiri (~> 1.6.0)
+  nokogiri (~> 1.13.9)
   oj (~> 3.3)
   open-uri-cached
   rails-assets-bootstrap-sortable
   rails-assets-fullcalendar (~> 2.9.1)
-  rails-assets-jquery (~> 1)!
+  rails-assets-jquery (~> 1)
   rails-assets-momentjs
   rb-inotify (~> 0.9.10)
   ruby18_source_location