diff --git a/sdk/go.mod b/sdk/go.mod
index 164eb602be..2954b5c36c 100644
--- a/sdk/go.mod
+++ b/sdk/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/lestrrat-go/jwx/v2 v2.1.6
 	github.com/opentdf/platform/lib/fixtures v0.3.0
 	github.com/opentdf/platform/lib/ocrypto v0.3.0
-	github.com/opentdf/platform/protocol/go v0.5.1
+	github.com/opentdf/platform/protocol/go v0.6.0
 	github.com/stretchr/testify v1.10.0
 	github.com/testcontainers/testcontainers-go v0.37.0
 	github.com/xeipuuv/gojsonschema v1.2.0
diff --git a/sdk/go.sum b/sdk/go.sum
index e54d91cc66..0a2bc22993 100644
--- a/sdk/go.sum
+++ b/sdk/go.sum
@@ -126,8 +126,8 @@ github.com/opentdf/platform/lib/fixtures v0.3.0 h1:pgEm9ynMDIFH7Wd/lre2tfvtura8L
 github.com/opentdf/platform/lib/fixtures v0.3.0/go.mod h1:K/r0REv5MYClnkuiCxCOT1LTXbuIDP0kqixlGmPQzXc=
 github.com/opentdf/platform/lib/ocrypto v0.3.0 h1:/nHlIj6kqZ9XT9M45vAbzoMV8USeCj7GRuhFR6JH+RA=
 github.com/opentdf/platform/lib/ocrypto v0.3.0/go.mod h1:VuVHTye/smLiRZ5Ls4sZ14R+PtN9Egwj8D1Hv5X9iP0=
-github.com/opentdf/platform/protocol/go v0.5.1 h1:MLWPQIZ9UD9krbro0eYdSaKA82o/kTM3B8EKuND2xhY=
-github.com/opentdf/platform/protocol/go v0.5.1/go.mod h1:FwoNd0HJaxGCZf74de/yFpVP4HEjkUMoF6Br79W0TBk=
+github.com/opentdf/platform/protocol/go v0.6.0 h1:vmROxt82/v38Hx42SfMYYPgf96Zwv85uiwmUkLdh1A0=
+github.com/opentdf/platform/protocol/go v0.6.0/go.mod h1:FwoNd0HJaxGCZf74de/yFpVP4HEjkUMoF6Br79W0TBk=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=
 github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYrxe9dPLANfrWvHYVTgc=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=