diff --git a/README.md b/README.md
index 58adb02..3187f93 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,8 @@ Credits
 The script relies on python libraries:
 
 - [GuessIt 3.8.0](http://guessit.readthedocs.org) to extract information from file names and includes portions of code from [SABnzbd](https://sabnzbd.org/).
-    - [Patch 1](https://github.com/guessit-io/guessit/pull/799/commits/91b52758b24dac4944f21b5a04de830dd861689e) by [PDA-1](https://github.com/PDA-1) Added support for Channel 5 streaming service (My5)
+    - [Patch 1](https://github.com/nzbgetcom/Extension-VideoSort/pull/14) by [PDA-1](https://github.com/PDA-1) Added support for Channel 5 streaming service (My5)
+    - [Patch 2](https://github.com/nzbgetcom/Extension-VideoSort/pull/19) added support for A1 format by [PDA-1](https://github.com/PDA-1)
 - [BabelFish 0.6.0](https://github.com/Diaoul/babelfish)
 - [ReBulk 3.2.0](https://github.com/Toilal/rebulk/)
 - [dateutil 2.8.2](https://github.com/dateutil/dateutil)
diff --git a/lib/guessit/config/options.json b/lib/guessit/config/options.json
index 39cd8fc..4ae3938 100644
--- a/lib/guessit/config/options.json
+++ b/lib/guessit/config/options.json
@@ -169,6 +169,7 @@
         "3gp2",
         "asf",
         "avi",
+        "av1",
         "divx",
         "flv",
         "iso",
diff --git a/testdata.json b/testdata.json
index c385412..ee31e71 100644
--- a/testdata.json
+++ b/testdata.json
@@ -148,6 +148,12 @@
     "OUTPUTFILE": "/series/Mkv/Airport 24 7/Season 1/Airport 24 7 - S01E08 - 1080p.Web.mkv",
     "NZBPO_SERIESFORMAT": "%Ext/%sn %y/Season %s/- %sn - S%0sE%0e - %en - %qss.%qf.%ext"
   },  
+  {
+    "id": "series-10",
+    "INPUTFILE": "Real.Time.with.Bill.Maher.S23E27.1080p.AV1.10bit-MeGusta/Real.Time.with.Bill.Maher.S23E27.1080p.AV1.10bit-MeGusta.mkv",
+    "OUTPUTFILE": "/series/Mkv/Real Time With Bill Maher/Season 23/Real Time With Bill Maher - S23E27 - 1080p.mkv",
+    "NZBPO_SERIESFORMAT": "%Ext/%sn %y/Season %s/- %sn - S%0sE%0e - %en - %qss.%qf.%ext"
+  },
   {
     "id": "dated-deprecated-t-1",
     "INPUTFILE": "The.Daily.Show.2013.06.27.Tom.Goldstein.HDTV.x264-FQM.mkv",
@@ -219,3 +225,4 @@
     "NZBPO_EPISODESEPARATOR": "-E"
   }
 ]
+