diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index d7a91239f2..f40927d36a 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -6,8 +6,8 @@ ## Please follow the guide below
 
 ---
 
-### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2017.12.23*. If it's not, read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected.
-- [ ] I've **verified** and **I assure** that I'm running youtube-dl **2017.12.23**
+### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2017.12.28*. If it's not, read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected.
+- [ ] I've **verified** and **I assure** that I'm running youtube-dl **2017.12.28**
 
 ### Before submitting an *issue* make sure you have:
 - [ ] At least skimmed through the [README](https://github.com/rg3/youtube-dl/blob/master/README.md), **most notably** the [FAQ](https://github.com/rg3/youtube-dl#faq) and [BUGS](https://github.com/rg3/youtube-dl#bugs) sections
@@ -35,7 +35,7 @@ ### If the purpose of this *issue* is a *bug report*, *site support request* or
 [debug] User config: []
 [debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
 [debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
-[debug] youtube-dl version 2017.12.23
+[debug] youtube-dl version 2017.12.28
 [debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
 [debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
 [debug] Proxy map: {}
diff --git a/ChangeLog b/ChangeLog
index 794b002237..4323cfc5ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-version <unreleased>
+version 2017.12.28
 
 Extractors
 + [internazionale] Add support for internazionale.it (#14973)
diff --git a/docs/supportedsites.md b/docs/supportedsites.md
index eac35e3909..6b935e5728 100644
--- a/docs/supportedsites.md
+++ b/docs/supportedsites.md
@@ -3,6 +3,7 @@ # Supported sites
  - **1up.com**
  - **20min**
  - **220.ro**
+ - **23video**
  - **24video**
  - **3qsdn**: 3Q SDN
  - **3sat**
@@ -269,6 +270,8 @@ # Supported sites
  - **Fczenit**
  - **filmon**
  - **filmon:channel**
+ - **Filmweb**
+ - **FiveThirtyEight**
  - **FiveTV**
  - **Flickr**
  - **Flipagram**
@@ -359,6 +362,7 @@ # Supported sites
  - **InfoQ**
  - **Instagram**
  - **instagram:user**: Instagram user profile
+ - **Internazionale**
  - **InternetVideoArchive**
  - **IPrima**
  - **iqiyi**: 爱奇艺
@@ -889,6 +893,7 @@ # Supported sites
  - **udemy:course**
  - **UDNEmbed**: 聯合影音
  - **UKTVPlay**
+ - **umg:de**: Universal Music Deutschland
  - **Unistra**
  - **Unity**
  - **uol.com.br**
diff --git a/youtube_dl/version.py b/youtube_dl/version.py
index f999584d72..f4a1b67a2d 100644
--- a/youtube_dl/version.py
+++ b/youtube_dl/version.py
@@ -1,3 +1,3 @@
 from __future__ import unicode_literals
 
-__version__ = '2017.12.23'
+__version__ = '2017.12.28'