diff --git a/data/boxes.csv b/data/boxes.csv
index cf84116..49dd56d 100644
--- a/data/boxes.csv
+++ b/data/boxes.csv
@@ -41,7 +41,7 @@ dstg,DVB Sample to Group Box,DVB
 edts,edit list container,ISO
 elst,an edit list,ISO
 emsg,event message,DASH
-evti,Event information,ATSC 3.0
+evti,Event information,ATSC 3.0 A337
 etyp,extended type and type combination,ISO
 Exif,Exif Metadata,JPXS
 fdel,File delivery information (item info extension),ISO
diff --git a/data/brands.csv b/data/brands.csv
index 99cd53a..653a380 100644
--- a/data/brands.csv
+++ b/data/brands.csv
@@ -266,4 +266,5 @@ vwpt,Viewpoint toolset brand,OMAF
 XAVC,XAVC File Format,Sony
 yt4$20,Google specification for use by YouTube apps,Youtube
 iamf,Immersive Audio Model and Formats - Encapsulated IA Sequence,AOM-IAMF
-cvvm,CMAF Media Profile for Constrained Multilayer VVC,
+cvvm,CMAF Media Profile for Constrained Multilayer VVC,ATSC 3.0 A345
+cafr,CMAF Media Profile for ATSC Full Range Constrained Baseline VVC,ATSC 3.0 A345
diff --git a/data/specifications.json b/data/specifications.json
index e39e4ef..e54ad08 100644
--- a/data/specifications.json
+++ b/data/specifications.json
@@ -66,9 +66,15 @@
     "MPEG": false
   },
   {
-    "specification": "ATSC 3.0",
-    "url": "https://www.atsc.org/standards/atsc-3-0-standards/",
-    "description": "ATSC 3.0 A337 Application Signaling",
+    "specification": "ATSC 3.0 A337",
+    "url": "https://www.atsc.org/atsc-documents/type/3-0-standards/",
+    "description": "ATSC 3.0 A337 Application Event Delivery",
+    "MPEG": false
+  },
+  {
+    "specification": "ATSC 3.0 A345",
+    "url": "https://www.atsc.org/atsc-documents/type/3-0-candidate-standards/",
+    "description": "ATSC 3.0 A345 VVC Video",
     "MPEG": false
   },
   {