diff --git a/go.mod b/go.mod
index 3061a41..f1e7557 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/iyear/gowidevine
 go 1.18
 
 require (
-	github.com/Eyevinn/mp4ff v0.39.0
+	github.com/Eyevinn/mp4ff v0.45.0
 	github.com/chmike/cmac-go v1.1.0
 	github.com/stretchr/testify v1.9.0
 	google.golang.org/protobuf v1.33.0
diff --git a/go.sum b/go.sum
index 24c83a2..cb6ee53 100644
--- a/go.sum
+++ b/go.sum
@@ -1,11 +1,11 @@
-github.com/Eyevinn/mp4ff v0.39.0 h1:WV2Omq57y1BvcVPayjyuiIK8/pF5Tb/H/cgPY+wFZMQ=
-github.com/Eyevinn/mp4ff v0.39.0/go.mod h1:w/6GSa5ghZ1VavzJK6McQ2/flx8mKtcrKDr11SsEweA=
+github.com/Eyevinn/mp4ff v0.45.0 h1:Wg172GbrEGczvGFHAqhrUwhNahmD+ezYL1Z+7mQHoZw=
+github.com/Eyevinn/mp4ff v0.45.0/go.mod h1:hJNUUqOBryLAzUW9wpCJyw2HaI+TCd2rUPhafoS5lgg=
 github.com/chmike/cmac-go v1.1.0 h1:aF73ZAEx9N2WdQc93DOJ2fMsBDAGqUtuenjMJMb3kEI=
 github.com/chmike/cmac-go v1.1.0/go.mod h1:wcIN7NRqWSKGuORzd4dReBkoBDE9ZBqfyTVxyDxGeUw=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-test/deep v1.0.8 h1:TDsG77qcSprGbC6vTN8OuXp5g+J+b5Pcguhf7Zt61VM=
-github.com/go-test/deep v1.0.8/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
+github.com/go-test/deep v1.1.0 h1:WOcxcdHcvdgThNXjw0t76K42FXTU7HpNQWHpA2HHNlg=
+github.com/go-test/deep v1.1.0/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=