diff --git a/libwvdrmengine/cdm/core/src/license.cpp b/libwvdrmengine/cdm/core/src/license.cpp
index 8a6e9f5b..abbbc09f 100644
--- a/libwvdrmengine/cdm/core/src/license.cpp
+++ b/libwvdrmengine/cdm/core/src/license.cpp
@@ -324,6 +324,10 @@ bool CdmLicense::PrepareKeyRequest(const InitializationData& init_data,
                 ClientIdentification_ClientCapabilities_HdcpVersion_HDCP_V2_2);
         break;
       case CryptoSession::kOemCryptoNoHdcpDeviceAttached:
+        client_capabilities->set_max_hdcp_version(
+            video_widevine_server::sdk::
+                ClientIdentification_ClientCapabilities_HdcpVersion_HDCP_NO_DIGITAL_OUTPUT);
+        break;
       default:
         LOGW(
             "CdmLicense::PrepareKeyRequest: unexpected HDCP max capability "
diff --git a/libwvdrmengine/cdm/core/src/license_protocol.proto b/libwvdrmengine/cdm/core/src/license_protocol.proto
index 163549a7..7a32ca02 100644
--- a/libwvdrmengine/cdm/core/src/license_protocol.proto
+++ b/libwvdrmengine/cdm/core/src/license_protocol.proto
@@ -129,6 +129,7 @@ message License {
         HDCP_V2 = 2;
         HDCP_V2_1 = 3;
         HDCP_V2_2 = 4;
+        HDCP_NO_DIGITAL_OUTPUT = 0xff;
       }
       optional HDCP hdcp = 1 [default = HDCP_NONE];
 
@@ -401,6 +402,7 @@ message ClientIdentification {
       HDCP_V2 = 2;
       HDCP_V2_1 = 3;
       HDCP_V2_2 = 4;
+      HDCP_NO_DIGITAL_OUTPUT = 0xff;
     }
 
     optional bool client_token = 1 [default = false];