diff --git a/Casks/bitcoin-core.rb b/Casks/bitcoin-core.rb
new file mode 100644
index 000000000000..ed1074dd2e63
--- /dev/null
+++ b/Casks/bitcoin-core.rb
@@ -0,0 +1,7 @@
+class BitcoinCore < Cask
+  url 'https://bitcoin.org/bin/0.9.0/bitcoin-0.9.0-macosx.dmg'
+  homepage 'https://bitcoin.org/'
+  version '0.9.0'
+  sha256 '80040488c1c03b69beee43c05da472d1cb2f9052fcfa93b73f094298017304e9'
+  link 'Bitcoin-Qt.app'
+end
diff --git a/Casks/bitcoin.rb b/Casks/bitcoin.rb
deleted file mode 100644
index acf6d6aa8836..000000000000
--- a/Casks/bitcoin.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-class Bitcoin < Cask
-  url 'https://bitcoin.org/bin/0.8.6/bitcoin-0.8.6-macosx.dmg'
-  homepage 'https://bitcoin.org/'
-  version '0.8.6'
-  sha256 'ec85816e6cd034230ec5dc83c105334aa91bfa38fd959ba3d1d3bd5d4df3208b'
-  link 'Bitcoin-Qt.app'
-end