diff --git a/data/schemes.csv b/data/schemes.csv
index aa49f13..7018182 100644
--- a/data/schemes.csv
+++ b/data/schemes.csv
@@ -21,3 +21,4 @@ stvi,Stereo video restricted scheme,restricted video scheme,ISO
 sve1,AES-CTR content sensitive encryption,protection scheme,ISO Common Encryption
 vvvc,V3C video component restricted scheme,restricted video scheme,V3C-SYS
 csch,Compatible scheme type,restricted video scheme,ISO
+spkt,Sample-packed track that may contain packed samples (a single sample may contain more than one sample of an original track),restricted video scheme,ISO