diff --git a/Library/Homebrew/cask/lib/hbc/cli/home.rb b/Library/Homebrew/cask/lib/hbc/cli/home.rb
index b35b08279b354890203ee5452d867446645a82e1..13b721859e37ee96b63ea33758e61d08941dcdde 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/home.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/home.rb
@@ -4,7 +4,7 @@ module Hbc
       def self.run(*cask_tokens)
         if cask_tokens.empty?
           odebug "Opening project homepage"
-          system "/usr/bin/open", "--", "http://caskroom.io/"
+          system "/usr/bin/open", "--", "http://caskroom.github.io/"
         else
           cask_tokens.each do |cask_token|
             odebug "Opening homepage for Cask #{cask_token}"
diff --git a/Library/Homebrew/cask/lib/hbc/url.rb b/Library/Homebrew/cask/lib/hbc/url.rb
index 1a5101da1fdbbc276ab31d15c503a2949a8ca3a5..dd34119db8679b327ca20403258ee993961595b8 100644
--- a/Library/Homebrew/cask/lib/hbc/url.rb
+++ b/Library/Homebrew/cask/lib/hbc/url.rb
@@ -2,7 +2,7 @@ require "forwardable"
 
 module Hbc
   class URL
-    FAKE_USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10) http://caskroom.io".freeze
+    FAKE_USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10) http://caskroom.github.io".freeze
 
     attr_reader :using, :revision, :trust_cert, :uri, :cookies, :referer, :data
 
diff --git a/Library/Homebrew/manpages/brew-cask.1.md b/Library/Homebrew/manpages/brew-cask.1.md
index e882f09d135759ebef052e52973b6f536f139b64..5ca863815c47f58d5bf1ff452e6099ff3c910f9e 100644
--- a/Library/Homebrew/manpages/brew-cask.1.md
+++ b/Library/Homebrew/manpages/brew-cask.1.md
@@ -64,7 +64,7 @@ names, and other aspects of this manual are still subject to change.
   * `home` or `homepage` [ <token> ... ]:
     Display the homepage associated with a given Cask in a browser.
 
-    With no arguments, display the project page <http://caskroom.io>.
+    With no arguments, display the project page <http://caskroom.github.io>.
 
   * `info` or `abv` <token> [ <token> ... ]:
     Display information about the given Cask.
@@ -248,7 +248,7 @@ Environment variables specific to Homebrew-Cask:
 
 ## SEE ALSO
 
-The Homebrew-Cask home page: <http://caskroom.io>
+The Homebrew-Cask home page: <http://caskroom.github.io>
 
 The Homebrew-Cask GitHub page: <https://github.com/caskroom/homebrew-cask>
 
diff --git a/Library/Homebrew/test/cask/cli/home_spec.rb b/Library/Homebrew/test/cask/cli/home_spec.rb
index a5359f24ff8cc1124e319f193d61460c07a7deb3..5208b33900498d2fe8385ea14a9a928c9d70cf94 100644
--- a/Library/Homebrew/test/cask/cli/home_spec.rb
+++ b/Library/Homebrew/test/cask/cli/home_spec.rb
@@ -40,7 +40,7 @@ describe Hbc::CLI::Home, :cask do
   it "opens the project page when no Cask is specified" do
     Hbc::CLI::Home.run
     expect(Hbc::CLI::Home.system_commands).to eq [
-      ["/usr/bin/open", "--", "http://caskroom.io/"],
+      ["/usr/bin/open", "--", "http://caskroom.github.io/"],
     ]
   end
 end
diff --git a/Library/Homebrew/test/cask/download_strategy_spec.rb b/Library/Homebrew/test/cask/download_strategy_spec.rb
index ca082c581fcd5c7ee001d649311a744110e34ff9..0d92b74ec6f3afc59a95ac733bd71dbf9f72d61c 100644
--- a/Library/Homebrew/test/cask/download_strategy_spec.rb
+++ b/Library/Homebrew/test/cask/download_strategy_spec.rb
@@ -60,7 +60,7 @@ describe "download strategies", :cask do
           downloader.fetch
         end
 
-        expect(curl_args.each_cons(2)).to include(["-A", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10) http://caskroom.io"])
+        expect(curl_args.each_cons(2)).to include(["-A", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10) http://caskroom.github.io"])
       end
     end
 
diff --git a/manpages/brew-cask.1 b/manpages/brew-cask.1
index 1a43996acb5a479b7faef05ce727932584821343..64ff39c59b33f2722917215c3370d437396fdf9b 100644
--- a/manpages/brew-cask.1
+++ b/manpages/brew-cask.1
@@ -67,7 +67,7 @@ Download remote application files for the given Cask to the local cache\. With \
 Display the homepage associated with a given Cask in a browser\.
 .
 .IP
-With no arguments, display the project page \fIhttp://caskroom\.io\fR\.
+With no arguments, display the project page \fIhttp://caskroom\.github\.io\fR\.
 .
 .TP
 \fBinfo\fR or \fBabv\fR \fItoken\fR [ \fItoken\fR \.\.\. ]
@@ -288,7 +288,7 @@ This variable may contain any arguments normally used as options on the command\
 
 .
 .SH "SEE ALSO"
-The Homebrew\-Cask home page: \fIhttp://caskroom\.io\fR
+The Homebrew\-Cask home page: \fIhttp://caskroom\.github\.io\fR
 .
 .P
 The Homebrew\-Cask GitHub page: \fIhttps://github\.com/caskroom/homebrew\-cask\fR