diff --git a/download.html b/download.html
index 0771bad78..dd88ddb1b 100644
--- a/download.html
+++ b/download.html
@@ -14,15 +14,15 @@
 
 <p>Remember <em>youtube-dl</em> requires <a href="http://www.python.org/">Python</a> version 2.6, 2.7, or 3.2+ to work except for Windows exe.</p>
 
-<p><a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl.exe">Windows exe</a> requires <a href="https://www.microsoft.com/en-US/download/details.aspx?id=5555">Microsoft Visual C++ 2010 Redistributable Package (x86)</a> and does not require Python that is already embedded into the binary.</p>
+<p><a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl.exe">Windows exe</a> requires <a href="https://www.microsoft.com/en-US/download/details.aspx?id=5555">Microsoft Visual C++ 2010 Redistributable Package (x86)</a> and does not require Python that is already embedded into the binary.</p>
 
-<h2><a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl">2017.12.14</a> (<a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl.sig">sig</a>)</h2>
+<h2><a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl">2017.12.23</a> (<a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl.sig">sig</a>)</h2>
 
-<p><strong>SHA256</strong>: ebf65d9bf94500dbc220e5ad139b1995a2e659a7bfb0afa1e12cac020cd3d0b3</p>
+<p><strong>SHA256</strong>: b839e0aa9a1248e2bf1e76e807dc3cd2ddfe2f89bfe6f1d0d361cf56b22e9d44</p>
 
 <p>
-	<a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl.exe.sig">sig</a> - SHA256 06627f8935e5413ded7aaa0608a5ad2e1148d4300bd65aea37d8e4c0362ced34)<br>
-	<a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl-2017.12.14.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2017.12.14/youtube-dl-2017.12.14.tar.gz.sig">sig</a> - SHA256 1212228b53424184cbffc64007475da6844fa7a906d11dab02ce2d7f20d31b06)
+	<a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl.exe.sig">sig</a> - SHA256 66438160dcde549fa5a9fc276474b90260e0a44359028254825e8a3b3ffaafc7)<br>
+	<a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl-2017.12.23.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2017.12.23/youtube-dl-2017.12.23.tar.gz.sig">sig</a> - SHA256 85206c46a90a8993b133b9dd0e0ec8fc6f358060dfea5b5c607aa58a9b5ca18a)
 </p>
 
 <p>To install it right away for all UNIX users (Linux, OS X, etc.), type:
diff --git a/supportedsites.html b/supportedsites.html
index 14e7a312f..8fd8566cf 100644
--- a/supportedsites.html
+++ b/supportedsites.html
@@ -25,6 +25,7 @@
 	<li><b>56.com</b></li>
 	<li><b>5min</b></li>
 	<li><b>6play</b></li>
+	<li><b>7plus</b></li>
 	<li><b>8tracks</b></li>
 	<li><b>91porn</b></li>
 	<li><b>9c9media</b></li>
@@ -743,6 +744,7 @@
 	<li><b>Servus</b></li>
 	<li><b>Sexu</b></li>
 	<li><b>Shahid</b></li>
+	<li><b>ShahidShow</b></li>
 	<li><b>Shared</b>: shared.sx</li>
 	<li><b>ShowRoomLive</b></li>
 	<li><b>Sina</b></li>
diff --git a/update/LATEST_VERSION b/update/LATEST_VERSION
index 38a8106d8..7cc13ad72 100644
--- a/update/LATEST_VERSION
+++ b/update/LATEST_VERSION
@@ -1 +1 @@
-2017.12.14
\ No newline at end of file
+2017.12.23
\ No newline at end of file
diff --git a/update/releases.atom b/update/releases.atom
index 89953eeec..9e24c0a20 100644
--- a/update/releases.atom
+++ b/update/releases.atom
@@ -3,7 +3,7 @@
     <link rel="self" href="http://rg3.github.io/youtube-dl/update/releases.atom" />
     <title>youtube-dl releases</title>
     <id>https://yt-dl.org/feed/youtube-dl-updates-feed</id>
-    <updated>2017-12-14T05:21:13.216315Z</updated>
+    <updated>2017-12-23T21:26:20.171874Z</updated>
     
 	<entry>
 	    <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-2012.02.22</id>
@@ -12275,4 +12275,19 @@
 	    <updated>2017-12-14T00:00:00Z</updated>
 	</entry>
 
+	<entry>
+	    <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-2017.12.23</id>
+	    <title>New version 2017.12.23</title>
+	    <link href="http://rg3.github.io/youtube-dl" />
+	    <content type="xhtml">
+	        <div xmlns="http://www.w3.org/1999/xhtml">
+	            Downloads available at <a href="https://yt-dl.org/downloads/2017.12.23/">https://yt-dl.org/downloads/2017.12.23/</a>
+	        </div>
+	    </content>
+	    <author>
+	        <name>The youtube-dl maintainers</name>
+	    </author>
+	    <updated>2017-12-23T00:00:00Z</updated>
+	</entry>
+
 </feed>
\ No newline at end of file
diff --git a/update/versions.json b/update/versions.json
index 4ecf8c321..a091868d8 100644
--- a/update/versions.json
+++ b/update/versions.json
@@ -1,6 +1,6 @@
 {
-    "latest": "2017.12.14",
-    "signature": "8a0caa9a43b5d0058332855e60eff8a66db1f99697a48c75748538269cff5573817079257dd28f94b086455024be2d6dc213b6cd64b6d60e925108255f208c74fed5f88f2d5b9b6016817d0ed4e652335bb926338fb62ca81cb7efb2fedc26e53818c2ac2a7967cd854035275a7ddab6168e5b4cbf45a5a1c881aea263120181",
+    "latest": "2017.12.23",
+    "signature": "4ae36c4da871e77b4c547b2983b8db13425f7435b9fae5282556920c15406c529b33c9ce8a9baf53596f2f4fbe49b030e45714b9952c935cf1400071fe34331d7f7593859d9a66ea5a1a827f169b4e5008f78067b600ce7359d431612cdcb00d1b6e24f03d2812a24bc909b362bb8c729515e8d7926d8fb56e283fe952ef33c5",
     "versions": {
         "2012.02.22": {
             "bin": [
@@ -11459,6 +11459,20 @@
                 "https://yt-dl.org/downloads/2017.12.14/youtube-dl-2017.12.14.tar.gz",
                 "1212228b53424184cbffc64007475da6844fa7a906d11dab02ce2d7f20d31b06"
             ]
+        },
+        "2017.12.23": {
+            "bin": [
+                "https://yt-dl.org/downloads/2017.12.23/youtube-dl",
+                "b839e0aa9a1248e2bf1e76e807dc3cd2ddfe2f89bfe6f1d0d361cf56b22e9d44"
+            ],
+            "exe": [
+                "https://yt-dl.org/downloads/2017.12.23/youtube-dl.exe",
+                "66438160dcde549fa5a9fc276474b90260e0a44359028254825e8a3b3ffaafc7"
+            ],
+            "tar": [
+                "https://yt-dl.org/downloads/2017.12.23/youtube-dl-2017.12.23.tar.gz",
+                "85206c46a90a8993b133b9dd0e0ec8fc6f358060dfea5b5c607aa58a9b5ca18a"
+            ]
         }
     }
 }
\ No newline at end of file