diff --git a/go.mod b/go.mod
index 6dee012c8..1afc09aeb 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 v7.5.5
-	github.com/sigstore/protobuf-specs v0.1.0
+	github.com/sigstore/protobuf-specs v0.2.0
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.1
 	github.com/sigstore/sigstore/pkg/signature/kms/azure v1.7.1
 	github.com/sigstore/sigstore/pkg/signature/kms/gcp v1.7.1
diff --git a/go.sum b/go.sum
index c812d343f..5911194b4 100644
--- a/go.sum
+++ b/go.sum
@@ -2128,8 +2128,8 @@ github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFR
 github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=
-github.com/sigstore/protobuf-specs v0.1.0 h1:X0l/E2C2c79t/rI/lmSu8WAoKWsQtMqDzAMiDdEMGr8=
-github.com/sigstore/protobuf-specs v0.1.0/go.mod h1:5shUCxf82hGnjUEFVWiktcxwzdtn6EfeeJssxZ5Q5HE=
+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/sigstore v1.7.1 h1:fCATemikcBK0cG4+NcM940MfoIgmioY1vC6E66hXxks=
 github.com/sigstore/sigstore v1.7.1/go.mod h1:0PmMzfJP2Y9+lugD0wer4e7TihR5tM7NcIs3bQNk5xg=
 github.com/sigstore/sigstore/pkg/signature/kms/aws v1.7.1 h1:rDHrG/63b3nBq3G9plg7iYnWN6lBhOfq/XultlCZgII=