diff --git a/policy/sigstore/go.mod b/policy/sigstore/go.mod
index 6ac5b47..06e7a69 100644
--- a/policy/sigstore/go.mod
+++ b/policy/sigstore/go.mod
@@ -73,7 +73,7 @@ require (
 	github.com/spf13/cobra v1.10.2 // indirect
 	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/theupdateframework/go-tuf v0.7.0 // indirect
-	github.com/theupdateframework/go-tuf/v2 v2.3.1 // indirect
+	github.com/theupdateframework/go-tuf/v2 v2.4.1 // indirect
 	github.com/transparency-dev/formats v0.0.0-20251017110053-404c0d5b696c // indirect
 	github.com/transparency-dev/merkle v0.0.2 // indirect
 	go.mongodb.org/mongo-driver v1.17.6 // indirect
diff --git a/policy/sigstore/go.sum b/policy/sigstore/go.sum
index 96f60e4..0384c6c 100644
--- a/policy/sigstore/go.sum
+++ b/policy/sigstore/go.sum
@@ -366,8 +366,8 @@ github.com/testcontainers/testcontainers-go v0.40.0 h1:pSdJYLOVgLE8YdUY2FHQ1Fxu+
 github.com/testcontainers/testcontainers-go v0.40.0/go.mod h1:FSXV5KQtX2HAMlm7U3APNyLkkap35zNLxukw9oBi/MY=
 github.com/theupdateframework/go-tuf v0.7.0 h1:CqbQFrWo1ae3/I0UCblSbczevCCbS31Qvs5LdxRWqRI=
 github.com/theupdateframework/go-tuf v0.7.0/go.mod h1:uEB7WSY+7ZIugK6R1hiBMBjQftaFzn7ZCDJcp1tCUug=
-github.com/theupdateframework/go-tuf/v2 v2.3.1 h1:fReZUTLvPdqIL8Rd9xEKPmaxig8GIXe0kS4RSEaRfaM=
-github.com/theupdateframework/go-tuf/v2 v2.3.1/go.mod h1:9S0Srkf3c13FelsOyt5OyG3ZZDq9OJDA4IILavrt72Y=
+github.com/theupdateframework/go-tuf/v2 v2.4.1 h1:K6ewW064rKZCPkRo1W/CTbTtm/+IB4+coG1iNURAGCw=
+github.com/theupdateframework/go-tuf/v2 v2.4.1/go.mod h1:Nex2enPVYDFCklrnbTzl3OVwD7fgIAj0J5++z/rvCj8=
 github.com/tink-crypto/tink-go-awskms/v2 v2.1.0 h1:N9UxlsOzu5mttdjhxkDLbzwtEecuXmlxZVo/ds7JKJI=
 github.com/tink-crypto/tink-go-awskms/v2 v2.1.0/go.mod h1:PxSp9GlOkKL9rlybW804uspnHuO9nbD98V/fDX4uSis=
 github.com/tink-crypto/tink-go-gcpkms/v2 v2.2.0 h1:3B9i6XBXNTRspfkTC0asN5W0K6GhOSgcujNiECNRNb0=