diff --git a/common.gypi b/common.gypi
index f2d3ed4730f..74c4b120c11 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.5',
+    'v8_embedder_string': '-node.6',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/include/v8config.h b/deps/v8/include/v8config.h
index 9d58e85db29..6bd24e71bc1 100644
--- a/deps/v8/include/v8config.h
+++ b/deps/v8/include/v8config.h
@@ -677,7 +677,7 @@ path. Add it with -I<path> to the command line
 //   V8_NODISCARD Foo() { ... };
 // [[nodiscard]] comes in C++17 but supported in clang with -std >= c++11.
 #if V8_HAS_CPP_ATTRIBUTE_NODISCARD
-#define V8_NODISCARD [[nodiscard]]
+#define V8_NODISCARD
 #else
 #define V8_NODISCARD /* NOT SUPPORTED */
 #endif