diff --git a/common.gypi b/common.gypi
index cc7bfd2c9a2207..e4af01543a1562 100644
--- a/common.gypi
+++ b/common.gypi
@@ -38,7 +38,7 @@
 
     # 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.8',
+    'v8_embedder_string': '-node.9',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/wasm/module-compiler.cc b/deps/v8/src/wasm/module-compiler.cc
index 568f9eb0f80991..6f061e7b5da61a 100644
--- a/deps/v8/src/wasm/module-compiler.cc
+++ b/deps/v8/src/wasm/module-compiler.cc
@@ -131,7 +131,14 @@ class CompilationUnitQueues {
       queues_[task_id].next_steal_task_id_ = next_task_id(task_id);
     }
     for (auto& atomic_counter : num_units_) {
-      std::atomic_init(&atomic_counter, size_t{0});
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wbraced-scalar-init"
+#endif
+      atomic_counter = ATOMIC_VAR_INIT(0);
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
     }
   }