diff --git a/sdk/go.mod b/sdk/go.mod
index a1fb29dd5d..d42794cbf1 100644
--- a/sdk/go.mod
+++ b/sdk/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.3.3
 	github.com/lestrrat-go/jwx/v2 v2.1.6
 	github.com/opentdf/platform/lib/ocrypto v0.10.0
-	github.com/opentdf/platform/protocol/go v0.27.0
+	github.com/opentdf/platform/protocol/go v0.28.0
 	github.com/stretchr/testify v1.11.1
 	github.com/xeipuuv/gojsonschema v1.2.0
 	golang.org/x/oauth2 v0.34.0
diff --git a/sdk/go.sum b/sdk/go.sum
index e9722785c7..ef3bc8e3f5 100644
--- a/sdk/go.sum
+++ b/sdk/go.sum
@@ -47,8 +47,8 @@ github.com/lestrrat-go/option v1.0.1 h1:oAzP2fvZGQKWkvHa1/SAcFolBEca1oN+mQ7eooNB
 github.com/lestrrat-go/option v1.0.1/go.mod h1:5ZHFbivi4xwXxhxY9XHDe2FHo6/Z7WWmtT7T5nBBp3I=
 github.com/opentdf/platform/lib/ocrypto v0.10.0 h1:7dn/z/1qH3p+gWCrfOoU7hj9XF/p5N+b2JBJuWF9aK0=
 github.com/opentdf/platform/lib/ocrypto v0.10.0/go.mod h1:WASkoHreqgTFImB/gJW42VTdpi9AkgkmaW19y/fU+Ew=
-github.com/opentdf/platform/protocol/go v0.27.0 h1:ihXpwKKKy9yNRnuT9xbOJZ8qwNGVk6yAy/aH+Eo0kgw=
-github.com/opentdf/platform/protocol/go v0.27.0/go.mod h1:ufSzLVpcGv368L++kni7fzbN4ugtxmstcifmwI/o4T0=
+github.com/opentdf/platform/protocol/go v0.28.0 h1:/psz0c9Yi+3yXgCWKgDjzpW4p6Dlhyj2H5wmGvohU1U=
+github.com/opentdf/platform/protocol/go v0.28.0/go.mod h1:aiEmtYytvQtbiexZGAKYMe2mYTBPZqbNSh+OXmtrtkA=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=