diff --git a/common.gypi b/common.gypi
index 3a5e7fb2cfefb2..59318710310074 100644
--- a/common.gypi
+++ b/common.gypi
@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.7',
+    'v8_embedder_string': '-node.8',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/tools/gen-postmortem-metadata.py b/deps/v8/tools/gen-postmortem-metadata.py
index 84b9ad49905cc5..a67897ac4d1af1 100644
--- a/deps/v8/tools/gen-postmortem-metadata.py
+++ b/deps/v8/tools/gen-postmortem-metadata.py
@@ -277,6 +277,7 @@
     'SlicedString, offset, SMI, kOffsetOffset',
     'ThinString, actual, String, kActualOffset',
     'Symbol, name, Object, kDescriptionOffset',
+    'FixedArrayBase, length, SMI, kLengthOffset',
 ];
 
 #