diff --git a/go.mod b/go.mod
index e6be5cb2e..1b052e1ed 100644
--- a/go.mod
+++ b/go.mod
@@ -59,7 +59,7 @@ require (
 	github.com/hashicorp/go-retryablehttp v0.7.4
 	github.com/redis/go-redis/v9 v9.0.5
 	github.com/sassoftware/relic/v7 v7.5.9
-	github.com/sigstore/protobuf-specs v0.2.0
+	github.com/sigstore/protobuf-specs v0.2.1
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.2
 	github.com/sigstore/sigstore/pkg/signature/kms/azure v1.7.2
 	github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.7.2
diff --git a/go.sum b/go.sum
index b4689ecc6..b420dc8a7 100644
--- a/go.sum
+++ b/go.sum
@@ -513,8 +513,8 @@ github.com/secure-systems-lab/go-securesystemslib v0.7.0 h1:OwvJ5jQf9LnIAS83waAj
 github.com/secure-systems-lab/go-securesystemslib v0.7.0/go.mod h1:/2gYnlnHVQ6xeGtfIqFy7Do03K4cdCY0A/GlJLDKLHI=
 github.com/shibumi/go-pathspec v1.3.0 h1:QUyMZhFo0Md5B8zV8x2tesohbb5kfbpTi9rBnKh5dkI=
 github.com/shibumi/go-pathspec v1.3.0/go.mod h1:Xutfslp817l2I1cZvgcfeMQJG5QnU2lh5tVaaMCl3jE=
-github.com/sigstore/protobuf-specs v0.2.0 h1:YFG4UYfBSQ608m3ZnIOtRDggt+3g6sMoxRASw/y3XZU=
-github.com/sigstore/protobuf-specs v0.2.0/go.mod h1:5shUCxf82hGnjUEFVWiktcxwzdtn6EfeeJssxZ5Q5HE=
+github.com/sigstore/protobuf-specs v0.2.1 h1:KIoM7E3C4uaK092q8YoSj/XSf9720f8dlsbYwwOmgEA=
+github.com/sigstore/protobuf-specs v0.2.1/go.mod h1:xPqQGnH/HllKuZ4VFPz/g+78epWM/NLRGl7Fuy45UdE=
 github.com/sigstore/sigstore v1.7.2 h1:MY0wSOhKWa8SIWSCO9SzFnUl+b7jbthgXHJpuUg31Qs=
 github.com/sigstore/sigstore v1.7.2/go.mod h1:2IPD5YXrXoznfnIoVsDF7ARC1Nha8xIdLpsC4kEQh5w=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.2 h1:JtdEI/81xugNfHqHyK1icPtnjgrLHJmWm3fgUBhyFPw=