diff --git a/Gemfile.lock b/Gemfile.lock
index c609bd308..f07ec86e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    bourbon (3.1.6)
-      sass (>= 3.2.0)
+    bourbon (4.0.0.rc1)
+      sass (>= 3.3.0.rc.2)
       thor
 
 GEM
@@ -36,7 +36,7 @@ GEM
     rspec-expectations (2.8.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.8.0)
-    sass (3.2.9)
+    sass (3.3.3)
     term-ansicolor (1.0.7)
     thor (0.18.1)
 
diff --git a/bourbon.gemspec b/bourbon.gemspec
index faaf8d28e..aa039dfef 100644
--- a/bourbon.gemspec
+++ b/bourbon.gemspec
@@ -27,7 +27,7 @@ that support only CSS3 prefixed properties.
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_dependency('sass', '>= 3.3.0.rc.2')
+  s.add_dependency('sass', '~> 3.3')
   s.add_dependency('thor')
 
   s.add_development_dependency('aruba', '~> 0.4')
diff --git a/bower.json b/bower.json
index 764d4bab3..d4070cf6d 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "bourbon",
   "homepage": "http://bourbon.io/",
-  "version": "3.2.0-beta.2",
+  "version": "4.0.0-rc.1",
   "main": "dist/_bourbon.scss",
   "ignore": [
     "app",
diff --git a/lib/bourbon/version.rb b/lib/bourbon/version.rb
index f095c37a3..bfa61b98d 100644
--- a/lib/bourbon/version.rb
+++ b/lib/bourbon/version.rb
@@ -1,3 +1,3 @@
 module Bourbon
-  VERSION = "3.2.0.beta.2"
+  VERSION = "4.0.0.rc1"
 end