diff --git a/Gemfile b/Gemfile
index f045dc2..bc299ac 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,11 +2,11 @@
 # the following line to use "http://" instead
 source 'https://rubygems.org'
 
-gem "middleman", "~>3.3.8"
+gem "middleman", "~> 3.3.10"
 gem "middleman-deploy"
 
 # Live-reloading plugin
-gem "middleman-livereload", "~> 3.1.0"
+gem "middleman-livereload", "~> 3.2.1"
 
 # For faster file watcher updates on Windows:
 gem "wdm", "~> 0.1.0", :platforms => [:mswin, :mingw]
@@ -14,5 +14,5 @@ gem "wdm", "~> 0.1.0", :platforms => [:mswin, :mingw]
 # Windows does not come with time zone data
 gem "tzinfo-data", platforms: [:mswin, :mingw]
 
-gem 'bourbon'
-gem 'neat'
+gem 'bourbon', '>= 4.2.1'
+gem 'neat', '>= 1.7.2'