diff --git a/dom/media/eme/MediaKeyStatusMap.cpp b/dom/media/eme/MediaKeyStatusMap.cpp
index 30bfb9a68422..15f8465e1f4d 100644
--- a/dom/media/eme/MediaKeyStatusMap.cpp
+++ b/dom/media/eme/MediaKeyStatusMap.cpp
@@ -182,7 +182,9 @@ ToMediaKeyStatus(GMPMediaKeyStatus aStatus) {
   switch (aStatus) {
     case kGMPUsable: return MediaKeyStatus::Usable;
     case kGMPExpired: return MediaKeyStatus::Expired;
+    case kGMPOutputDownscaled: return MediaKeyStatus::Output_downscaled;
     case kGMPOutputNotAllowed: return MediaKeyStatus::Output_not_allowed;
+    case kGMPInternalError: return MediaKeyStatus::Internal_error;
     default: return MediaKeyStatus::Internal_error;
   }
 }
diff --git a/dom/media/gmp-plugin/fake.info b/dom/media/gmp-plugin/fake.info
index 58624893c0cf..9e77de1dd297 100644
--- a/dom/media/gmp-plugin/fake.info
+++ b/dom/media/gmp-plugin/fake.info
@@ -1,5 +1,5 @@
 Name: fake
 Description: Fake GMP Plugin
 Version: 1.0
-APIs: encode-video[h264], decode-video[h264], eme-decrypt-v5[fake]
+APIs: encode-video[h264], decode-video[h264], eme-decrypt-v6[fake]
 Libraries: dxva2.dll
diff --git a/dom/media/gmp/gmp-api/gmp-decryption.h b/dom/media/gmp/gmp-api/gmp-decryption.h
index 30b96b750108..fa1b41bf0e6f 100644
--- a/dom/media/gmp/gmp-api/gmp-decryption.h
+++ b/dom/media/gmp/gmp-api/gmp-decryption.h
@@ -79,9 +79,11 @@ enum GMPSessionMessageType {
 enum GMPMediaKeyStatus {
   kGMPUsable = 0,
   kGMPExpired = 1,
-  kGMPOutputNotAllowed = 2,
-  kGMPUnknown = 3,
-  kGMPMediaKeyStatusInvalid = 4 // Must always be last.
+  kGMPOutputDownscaled = 2,
+  kGMPOutputNotAllowed = 3,
+  kGMPInternalError = 4,
+  kGMPUnknown = 5,
+  kGMPMediaKeyStatusInvalid = 6 // Must always be last.
 };
 
 // Time in milliseconds, as offset from epoch, 1 Jan 1970.
@@ -222,7 +224,7 @@ enum GMPSessionType {
   kGMPSessionInvalid = 2 // Must always be last.
 };
 
-#define GMP_API_DECRYPTOR "eme-decrypt-v5"
+#define GMP_API_DECRYPTOR "eme-decrypt-v6"
 
 // API exposed by plugin library to manage decryption sessions.
 // When the Host requests this by calling GMPGetAPIFunc().
diff --git a/media/gmp-clearkey/0.1/clearkey.info b/media/gmp-clearkey/0.1/clearkey.info
index feb0df924311..1837071bb1cc 100644
--- a/media/gmp-clearkey/0.1/clearkey.info
+++ b/media/gmp-clearkey/0.1/clearkey.info
@@ -1,4 +1,4 @@
 Name: clearkey
 Description: ClearKey decrypt-only GMP plugin
 Version: 0.1
-APIs: eme-decrypt-v5[org.w3.clearkey]
+APIs: eme-decrypt-v6[org.w3.clearkey]