diff --git a/download.html b/download.html
index 6ae9622d0..d4e77c063 100644
--- a/download.html
+++ b/download.html
@@ -16,27 +16,27 @@
 
 <p>Remember <em>youtube-dl</em> requires <a href="http://www.python.org/">Python</a> version 2.6, 2.7, or 3.3+ to work.</p>
 
-<h2><a href="https://yt-dl.org/downloads/2013.12.20/youtube-dl">2013.12.20</a> (<a href="https://yt-dl.org/downloads/2013.12.20/youtube-dl.sig">sig</a>)</h2>
+<h2><a href="https://yt-dl.org/downloads/2013.12.23/youtube-dl">2013.12.23</a> (<a href="https://yt-dl.org/downloads/2013.12.23/youtube-dl.sig">sig</a>)</h2>
 
 <ul>
-<li><strong>MD5</strong>: fff970b5542ccc8bae1401aaa5792e0d</li>
-<li><strong>SHA1</strong>: 5b4427d4d339f6ef6016d8148174d4123d453e31</li>
-<li><strong>SHA256</strong>: 9480b45173b8ee9bd15ba655bcdd06976e0c0adf920c169a5486f638567d037c</li>
+<li><strong>MD5</strong>: e215dc276c3b99547ee442b17e216e62</li>
+<li><strong>SHA1</strong>: 7a29f8646d7cc5f23f825b28741c6ad879dac592</li>
+<li><strong>SHA256</strong>: 81eed0dc893f23037fb36d14f5d54c5dfba6ce0864b2b9f95061f41903329b12</li>
 </ul>
 
 <p>
-	<a href="https://yt-dl.org/downloads/2013.12.20/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2013.12.20/youtube-dl.exe.sig">sig</a> - fa44aa17cbcdfa4e45da87e061d2581daf2275dd35e15be37852cb11ea70d764)<br>
-	<a href="https://yt-dl.org/downloads/2013.12.20/youtube-dl-2013.12.20.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2013.12.20/youtube-dl-2013.12.20.tar.gz.sig">sig</a> - eb83b2112c7098c32ab66f9051900e2a35d24992ba98e7ca74ef10a16e061933)
+	<a href="https://yt-dl.org/downloads/2013.12.23/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2013.12.23/youtube-dl.exe.sig">sig</a> - d29e019eb72032c995cee3aa27f66be320b37222ecb3391beb449afd6312b93d)<br>
+	<a href="https://yt-dl.org/downloads/2013.12.23/youtube-dl-2013.12.23.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2013.12.23/youtube-dl-2013.12.23.tar.gz.sig">sig</a> - 5558b4568289a4e845b40411ef2ce69322d34068116845da055e314c9ea3a4ba)
 </p>
 
 <p>To install it right away for all UNIX users (Linux, OS X, etc.), type:
-<code class="commands">sudo curl https://yt-dl.org/downloads/2013.12.20/youtube-dl -o /usr/local/bin/youtube-dl<br/>
+<code class="commands">sudo curl https://yt-dl.org/downloads/2013.12.23/youtube-dl -o /usr/local/bin/youtube-dl<br/>
 sudo chmod a+x /usr/local/bin/youtube-dl</code>
 </p>
 
 <p>If you do not have curl, you can alternatively use a recent wget:
 
-<code class="commands">sudo wget https://yt-dl.org/downloads/2013.12.20/youtube-dl -O /usr/local/bin/youtube-dl<br/>
+<code class="commands">sudo wget https://yt-dl.org/downloads/2013.12.23/youtube-dl -O /usr/local/bin/youtube-dl<br/>
 sudo chmod a+x /usr/local/bin/youtube-dl</code>
 </p>
 
@@ -49,7 +49,7 @@ See the <a href="https://pypi.python.org/pypi/youtube_dl">pypi page</a> for more
 </p>
 
 <p>To check the signature, type:
-<code class="commands">sudo wget https://yt-dl.org/downloads/2013.12.20/youtube-dl.sig -O youtube-dl.sig<br/>gpg --verify youtube-dl.sig /usr/local/bin/youtube-dl<br/>rm youtube-dl.sig</code>
+<code class="commands">sudo wget https://yt-dl.org/downloads/2013.12.23/youtube-dl.sig -O youtube-dl.sig<br/>gpg --verify youtube-dl.sig /usr/local/bin/youtube-dl<br/>rm youtube-dl.sig</code>
 </p>
 
 <p>The following GPG keys will be used to sign the binaries and the git tags:</p>
diff --git a/supportedsites.html b/supportedsites.html
index f0320efd2..961458880 100644
--- a/supportedsites.html
+++ b/supportedsites.html
@@ -56,6 +56,7 @@
 	<li><b>ComedyCentralShows</b>: The Daily Show / Colbert Report</li>
 	<li><b>CondeNast</b>: Condé Nast media group: GQ, Glamour, Vanity Fair, Vogue, W Magazine, WIRED</li>
 	<li><b>Criterion</b></li>
+	<li><b>Crunchyroll</b></li>
 	<li><b>CSpan</b></li>
 	<li><b>d8.tv</b></li>
 	<li><b>dailymotion</b></li>
@@ -95,6 +96,8 @@
 	<li><b>InfoQ</b></li>
 	<li><b>Instagram</b></li>
 	<li><b>InternetVideoArchive</b></li>
+	<li><b>ivi</b>: ivi.ru</li>
+	<li><b>ivi:compilation</b>: ivi.ru compilations</li>
 	<li><b>JeuxVideo</b></li>
 	<li><b>Jukebox</b></li>
 	<li><b>justin.tv</b></li>
diff --git a/update/LATEST_VERSION b/update/LATEST_VERSION
index 5474a23dc..dd5b58884 100644
--- a/update/LATEST_VERSION
+++ b/update/LATEST_VERSION
@@ -1 +1 @@
-2013.12.20
\ No newline at end of file
+2013.12.23
\ No newline at end of file
diff --git a/update/releases.atom b/update/releases.atom
index 6a23b0b67..c862c68d6 100644
--- a/update/releases.atom
+++ b/update/releases.atom
@@ -2,7 +2,7 @@
 <atom:feed xmlns:atom="http://www.w3.org/2005/Atom">
 	<atom:title>youtube-dl releases</atom:title>
 	<atom:id>youtube-dl-updates-feed</atom:id>
-	<atom:updated>2013-12-20T17:11:30.940546</atom:updated>
+	<atom:updated>2013-12-23T03:49:02.137404</atom:updated>
 	
 	<atom:entry>
 		<atom:id>youtube-dl-2012.02.22</atom:id>
@@ -2494,4 +2494,19 @@
 		<atom:updated>2013-12-20</atom:updated>
 	</atom:entry>
 
+	<atom:entry>
+		<atom:id>youtube-dl-2013.12.23</atom:id>
+		<atom:title>New version 2013.12.23</atom:title>
+		<atom:link href="http://rg3.github.io/youtube-dl" />
+		<atom:content type="xhtml">
+			<div xmlns="http://www.w3.org/1999/xhtml">
+				Downloads available at <a href="https://yt-dl.org/downloads/2013.12.23/">https://yt-dl.org/downloads/2013.12.23/</a>
+			</div>
+		</atom:content>
+		<atom:author>
+			<atom:name>The youtube-dl maintainers</atom:name>
+		</atom:author>
+		<atom:updated>2013-12-23</atom:updated>
+	</atom:entry>
+
 </atom:feed>
\ No newline at end of file
diff --git a/update/versions.json b/update/versions.json
index e1de843b6..b4b3fe494 100644
--- a/update/versions.json
+++ b/update/versions.json
@@ -1,6 +1,6 @@
 {
-    "latest": "2013.12.20", 
-    "signature": "1697f009ae38e7d7a2b3d61cdd78b7882b87f3b7c131c21e070d10cdaecd6f6b2d2af6b719459ae0ae270afb9f1c94ceeab375b93de0ff53c538ad198b0c3b3d91e9bf32292a8baf74fc07825c4cd764ad0049843bbc53ddd126337e164fa6a871f91cb156d245b793cd5b19be4ffc28db2a6cc254b9571e4dfaa29f4253e170", 
+    "latest": "2013.12.23", 
+    "signature": "0426a222bc9fabda4767f8686874f9a428a2e1e9cd0e1a9d0e08094a8854a552b3ad72d0fb6b63f607e6dc7c9f46bddafed7226bc6b09de9285e635ce00b4a69384d921c7458f1509a29a70f493c1d57864dbbc42e2a6323ba787c550f39f17db206ac637260f6b219c38979de4e145b6bc35363613405d742603786831d0084", 
     "versions": {
         "2012.02.22": {
             "bin": [
@@ -2331,6 +2331,20 @@
                 "https://yt-dl.org/downloads/2013.12.20/youtube-dl-2013.12.20.tar.gz", 
                 "eb83b2112c7098c32ab66f9051900e2a35d24992ba98e7ca74ef10a16e061933"
             ]
+        }, 
+        "2013.12.23": {
+            "bin": [
+                "https://yt-dl.org/downloads/2013.12.23/youtube-dl", 
+                "81eed0dc893f23037fb36d14f5d54c5dfba6ce0864b2b9f95061f41903329b12"
+            ], 
+            "exe": [
+                "https://yt-dl.org/downloads/2013.12.23/youtube-dl.exe", 
+                "d29e019eb72032c995cee3aa27f66be320b37222ecb3391beb449afd6312b93d"
+            ], 
+            "tar": [
+                "https://yt-dl.org/downloads/2013.12.23/youtube-dl-2013.12.23.tar.gz", 
+                "5558b4568289a4e845b40411ef2ce69322d34068116845da055e314c9ea3a4ba"
+            ]
         }
     }
 }
\ No newline at end of file