diff --git a/Gemfile b/Gemfile
index 17250a5..c01b189 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'http://rubygems.org'
 # Middleman
 gem 'middleman', '~>3.3.10'
 gem 'middleman-gh-pages', '~> 0.0.3'
-gem 'middleman-syntax'
+gem 'middleman-syntax', '~> 2.0.0'
 gem 'rouge', '~> 1.8.0'
 gem 'redcarpet', '~> 3.2.1'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3d050ee..b636d8b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -126,8 +126,8 @@ PLATFORMS
 DEPENDENCIES
   middleman (~> 3.3.10)
   middleman-gh-pages (~> 0.0.3)
-  middleman-syntax
+  middleman-syntax (~> 2.0.0)
   rake (~> 10.4.0)
   redcarpet (~> 3.2.1)
-  rouge (= 1.8.0)
+  rouge (~> 1.8.0)
   therubyracer