diff --git a/otdfctl/go.mod b/otdfctl/go.mod
index a25e3acb5c..14557be28f 100644
--- a/otdfctl/go.mod
+++ b/otdfctl/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/opentdf/platform/lib/flattening v0.1.3
 	github.com/opentdf/platform/lib/identifier v0.3.0
 	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/opentdf/platform/sdk v0.17.0
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
diff --git a/otdfctl/go.sum b/otdfctl/go.sum
index eaea8046fc..5987311768 100644
--- a/otdfctl/go.sum
+++ b/otdfctl/go.sum
@@ -180,8 +180,8 @@ github.com/opentdf/platform/lib/identifier v0.3.0 h1:kLVRVC8wE0kmuEIdodEhqIRym5O
 github.com/opentdf/platform/lib/identifier v0.3.0/go.mod h1:3RlXYY9sxH/VnMkgm/M6zryUrtBL0lnsOVyqb0hYYvs=
 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/opentdf/platform/sdk v0.17.0 h1:ApVa0/yB5M2wbqu3s0FxlXo17C1ojuul3tsQW1BGpyk=
 github.com/opentdf/platform/sdk v0.17.0/go.mod h1:U4Ndr/Pr0c3rYik/JGfymT86I2InPIANX7WiFcvr2Pw=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=