diff --git a/transcoder/go.mod b/transcoder/go.mod
index 3bc75c19..78c5071e 100644
--- a/transcoder/go.mod
+++ b/transcoder/go.mod
@@ -4,7 +4,7 @@ go 1.26.0
 
 require (
 	github.com/MicahParks/keyfunc/v3 v3.8.0
-	github.com/asticode/go-astisub v0.39.0
+	github.com/asticode/go-astisub v0.40.0
 	github.com/aws/aws-sdk-go-v2 v1.41.5
 	github.com/aws/aws-sdk-go-v2/service/s3 v1.99.0
 	github.com/disintegration/imaging v1.6.2
diff --git a/transcoder/go.sum b/transcoder/go.sum
index c61d2a69..11a19397 100644
--- a/transcoder/go.sum
+++ b/transcoder/go.sum
@@ -12,8 +12,8 @@ github.com/asticode/go-astikit v0.20.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xbl
 github.com/asticode/go-astikit v0.30.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xblP7fCWbgwipF0=
 github.com/asticode/go-astikit v0.59.0 h1:tjbwDym+MTSxqkAhJoHRZmHMXK6Jv4vGx+97FptKH6k=
 github.com/asticode/go-astikit v0.59.0/go.mod h1:fV43j20UZYfXzP9oBn33udkvCvDvCDhzjVqoLFuuYZE=
-github.com/asticode/go-astisub v0.39.0 h1:j1/rFLRUH0TT2CW9YCtBek9lRdMp96oxaZm6vbgE96M=
-github.com/asticode/go-astisub v0.39.0/go.mod h1:WTkuSzFB+Bp7wezuSf2Oxulj5A8zu2zLRVFf6bIFQK8=
+github.com/asticode/go-astisub v0.40.0 h1:Z8tAXHngjkh/4L9zqt49ru9UdpDTqBIe+80xexKM3/I=
+github.com/asticode/go-astisub v0.40.0/go.mod h1:WTkuSzFB+Bp7wezuSf2Oxulj5A8zu2zLRVFf6bIFQK8=
 github.com/asticode/go-astits v1.8.0/go.mod h1:DkOWmBNQpnr9mv24KfZjq4JawCFX1FCqjLVGvO0DygQ=
 github.com/asticode/go-astits v1.15.0 h1:yRyCiUc8Jj4F7clt2GDxHghMpWuFL5rkaLuGUd2/0J4=
 github.com/asticode/go-astits v1.15.0/go.mod h1:QSHmknZ51pf6KJdHKZHJTLlMegIrhega3LPWz3ND/iI=