diff --git a/download.html b/download.html
index 560519547..22ca8ffad 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/2017.12.28/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/2017.12.31/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/2017.12.28/youtube-dl">2017.12.28</a> (<a href="https://yt-dl.org/downloads/2017.12.28/youtube-dl.sig">sig</a>)</h2>
+<h2><a href="https://yt-dl.org/downloads/2017.12.31/youtube-dl">2017.12.31</a> (<a href="https://yt-dl.org/downloads/2017.12.31/youtube-dl.sig">sig</a>)</h2>
 
-<p><strong>SHA256</strong>: 4b1cf1b01bed9eb33df56ca715dd3aee2bfbbfb4c7cbf7c3196c97c81441552a</p>
+<p><strong>SHA256</strong>: fd2b774bf5a7a642bdcd52096717d6a4742d0505f2e1c3bc27a8fa30906a4bc3</p>
 
 <p>
-	<a href="https://yt-dl.org/downloads/2017.12.28/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2017.12.28/youtube-dl.exe.sig">sig</a> - SHA256 aee41eac66a47911ed4d7591201afad8c2eae18fa257a92b70f1606f81d72f55)<br>
-	<a href="https://yt-dl.org/downloads/2017.12.28/youtube-dl-2017.12.28.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2017.12.28/youtube-dl-2017.12.28.tar.gz.sig">sig</a> - SHA256 6e361234921bebba34417012a1c74f69b124a7fe4c1d1c84008bfd16c80a48e2)
+	<a href="https://yt-dl.org/downloads/2017.12.31/youtube-dl.exe">Windows exe</a> (<a href="https://yt-dl.org/downloads/2017.12.31/youtube-dl.exe.sig">sig</a> - SHA256 ae48915b393e75202247954eeb79edfd53e56db3b2554a92876254faeadc55c1)<br>
+	<a href="https://yt-dl.org/downloads/2017.12.31/youtube-dl-2017.12.31.tar.gz">Full source + docs + binary tarball</a> (<a href="https://yt-dl.org/downloads/2017.12.31/youtube-dl-2017.12.31.tar.gz.sig">sig</a> - SHA256 b10b23b7f5b2b1e3bca036e2c6b127902cac53d140cb40cf1ff8529362040133)
 </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 8de2a4ccc..2ea943c43 100644
--- a/supportedsites.html
+++ b/supportedsites.html
@@ -186,7 +186,6 @@
 	<li><b>CNN</b></li>
 	<li><b>CNNArticle</b></li>
 	<li><b>CNNBlogs</b></li>
-	<li><b>CollegeRama</b></li>
 	<li><b>ComCarCoff</b></li>
 	<li><b>ComedyCentral</b></li>
 	<li><b>ComedyCentralFullEpisodes</b></li>
@@ -464,6 +463,7 @@
 	<li><b>media.ccc.de</b></li>
 	<li><b>Medialaan</b></li>
 	<li><b>Mediaset</b></li>
+	<li><b>Mediasite</b></li>
 	<li><b>Medici</b></li>
 	<li><b>megaphone.fm</b>: megaphone.fm embedded players</li>
 	<li><b>Meipai</b>: 美拍</li>
@@ -732,7 +732,6 @@
 	<li><b>safari</b>: safaribooksonline.com online video</li>
 	<li><b>safari:api</b></li>
 	<li><b>safari:course</b>: safaribooksonline.com online courses</li>
-	<li><b>Sandia</b>: Sandia National Laboratories</li>
 	<li><b>Sapo</b>: SAPO Vídeos</li>
 	<li><b>savefrom.net</b></li>
 	<li><b>SBS</b>: sbs.com.au</li>
@@ -907,6 +906,7 @@
 	<li><b>udemy</b></li>
 	<li><b>udemy:course</b></li>
 	<li><b>UDNEmbed</b>: 聯合影音</li>
+	<li><b>UFCTV</b></li>
 	<li><b>UKTVPlay</b></li>
 	<li><b>umg:de</b>: Universal Music Deutschland</li>
 	<li><b>Unistra</b></li>
diff --git a/update/LATEST_VERSION b/update/LATEST_VERSION
index 15318512f..9a546bee3 100644
--- a/update/LATEST_VERSION
+++ b/update/LATEST_VERSION
@@ -1 +1 @@
-2017.12.28
\ No newline at end of file
+2017.12.31
\ No newline at end of file
diff --git a/update/releases.atom b/update/releases.atom
index b854dce8f..9b81aaea9 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>2017-12-28T23:14:53.949440Z</updated>
+    <updated>2017-12-31T04:32:26.848025Z</updated>
     
 	<entry>
 	    <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-2012.02.22</id>
@@ -12305,4 +12305,19 @@
 	    <updated>2017-12-28T00:00:00Z</updated>
 	</entry>
 
+	<entry>
+	    <id>https://yt-dl.org/feed/youtube-dl-updates-feed/youtube-dl-2017.12.31</id>
+	    <title>New version 2017.12.31</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/2017.12.31/">https://yt-dl.org/downloads/2017.12.31/</a>
+	        </div>
+	    </content>
+	    <author>
+	        <name>The youtube-dl maintainers</name>
+	    </author>
+	    <updated>2017-12-31T00:00:00Z</updated>
+	</entry>
+
 </feed>
\ No newline at end of file
diff --git a/update/versions.json b/update/versions.json
index 26c938cb5..337bd4715 100644
--- a/update/versions.json
+++ b/update/versions.json
@@ -1,6 +1,6 @@
 {
-    "latest": "2017.12.28",
-    "signature": "9129c22afb0cea0ef52f8af33212a2d1bed97b80caaa549ab8b171dce91ce553835b4ec47f7145f02bbb5d2221310e2250c6d933d9ae0f6d7966e2b77c323a1093ace0b745515614bb699c90f485292e6fb2c7098bb08e3f0e945635402ab6039a1b2eefc29e340601c649bdd5e0fa606b39353843da253a9368c53dd3d5e9c4",
+    "latest": "2017.12.31",
+    "signature": "18f712cd2467eb5e75a5832b0a596215fda86507118dd0a5a9e50078825402f0612655f517f36acbdc781f767a25d0542ef4710b82d25a8c47102e25296c0183ea9d38fb5d44c1946ba5bf94793b6c40e0591be7c1cd2dddc2cf7604b3dd32eeb4b09ad18c53c932d2e22f7b1f05727bb315c7b79f39cba7ee601115aa5f61a2",
     "versions": {
         "2012.02.22": {
             "bin": [
@@ -11487,6 +11487,20 @@
                 "https://yt-dl.org/downloads/2017.12.28/youtube-dl-2017.12.28.tar.gz",
                 "6e361234921bebba34417012a1c74f69b124a7fe4c1d1c84008bfd16c80a48e2"
             ]
+        },
+        "2017.12.31": {
+            "bin": [
+                "https://yt-dl.org/downloads/2017.12.31/youtube-dl",
+                "fd2b774bf5a7a642bdcd52096717d6a4742d0505f2e1c3bc27a8fa30906a4bc3"
+            ],
+            "exe": [
+                "https://yt-dl.org/downloads/2017.12.31/youtube-dl.exe",
+                "ae48915b393e75202247954eeb79edfd53e56db3b2554a92876254faeadc55c1"
+            ],
+            "tar": [
+                "https://yt-dl.org/downloads/2017.12.31/youtube-dl-2017.12.31.tar.gz",
+                "b10b23b7f5b2b1e3bca036e2c6b127902cac53d140cb40cf1ff8529362040133"
+            ]
         }
     }
 }
\ No newline at end of file