diff --git a/Casks/rstudio-preview.rb b/Casks/rstudio-preview.rb
index bf89cb4a1..a4121f3ad 100644
--- a/Casks/rstudio-preview.rb
+++ b/Casks/rstudio-preview.rb
@@ -2,6 +2,6 @@ class RstudioPreview < Cask
   url 'https://s3.amazonaws.com/rstudio-dailybuilds/RStudio-0.98.484.dmg'
   homepage 'http://www.rstudio.com/ide/download/preview'
   version '0.98.484'
-  sha1 '5e3ab521dafec2accc22cf688aa1379f49beffd3'
+  sha256 '244529c9a0cd941b77f155bdffb6d438fd618382bcefb212711d834752791854'
   link 'RStudio.app'
 end