diff --git a/Casks/qt-creator-dev.rb b/Casks/qt-creator-dev.rb
index a76fa866d..f4da45488 100644
--- a/Casks/qt-creator-dev.rb
+++ b/Casks/qt-creator-dev.rb
@@ -1,6 +1,6 @@
 cask 'qt-creator-dev' do
-  version '4.3.0-beta1'
-  sha256 '0ad667405947f96328ff2eac9d25eb4deca1587397912b15db8d9c491ca4cb4b'
+  version '4.3.0-rc1'
+  sha256 '33feeeec0e06455e8c072d7026d3fb3fd78d6e90252bc902fac788f157bdc563'
 
   url "http://download.qt.io/development_releases/qtcreator/#{version.major_minor}/#{version}/qt-creator-opensource-mac-x86_64-#{version}.dmg"
   name 'Qt Creator Dev'