diff --git a/go.mod b/go.mod
index dbb55157..9ecf99d2 100644
--- a/go.mod
+++ b/go.mod
@@ -61,7 +61,7 @@ require (
 	github.com/docker/docker v26.1.2+incompatible
 	github.com/docker/go-connections v0.5.0
 	github.com/go-jose/go-jose/v3 v3.0.3
-	github.com/sigstore/protobuf-specs v0.3.1
+	github.com/sigstore/protobuf-specs v0.3.2
 	github.com/sigstore/scaffolding v0.6.17
 	github.com/sigstore/sigstore/pkg/signature/kms/aws v1.8.3
 	github.com/sigstore/sigstore/pkg/signature/kms/azure v1.8.3
diff --git a/go.sum b/go.sum
index 1e056114..be618e20 100644
--- a/go.sum
+++ b/go.sum
@@ -735,8 +735,8 @@ github.com/sigstore/cosign/v2 v2.2.4 h1:iY4vtEacmu2hkNj1Fh+8EBqBwKs2DHM27/lbNWDF
 github.com/sigstore/cosign/v2 v2.2.4/go.mod h1:JZlRD2uaEjVAvZ1XJ3QkkZJhTqSDVtLaet+C/TMR81Y=
 github.com/sigstore/fulcio v1.4.5 h1:WWNnrOknD0DbruuZWCbN+86WRROpEl3Xts+WT2Ek1yc=
 github.com/sigstore/fulcio v1.4.5/go.mod h1:oz3Qwlma8dWcSS/IENR/6SjbW4ipN0cxpRVfgdsjMU8=
-github.com/sigstore/protobuf-specs v0.3.1 h1:9aJQrPq7iRDSLBNg//zsP7tAzxdHnD1sA+1FyCCrkrQ=
-github.com/sigstore/protobuf-specs v0.3.1/go.mod h1:HfkcPi5QXteuew4+c5ONz8vYQ8aOH//ZTQ3gg0X8ZUA=
+github.com/sigstore/protobuf-specs v0.3.2 h1:nCVARCN+fHjlNCk3ThNXwrZRqIommIeNKWwQvORuRQo=
+github.com/sigstore/protobuf-specs v0.3.2/go.mod h1:RZ0uOdJR4OB3tLQeAyWoJFbNCBFrPQdcokntde4zRBA=
 github.com/sigstore/rekor v1.3.6 h1:QvpMMJVWAp69a3CHzdrLelqEqpTM3ByQRt5B5Kspbi8=
 github.com/sigstore/rekor v1.3.6/go.mod h1:JDTSNNMdQ/PxdsS49DJkJ+pRJCO/83nbR5p3aZQteXc=
 github.com/sigstore/scaffolding v0.6.17 h1:60P4/x/PdIj7SjzhEgEDefrnDcHAKzztF/RXddjZGQ8=