diff --git a/deps/v8/include/v8-version.h b/deps/v8/include/v8-version.h
index 460ec45badd30c..da386ccda1ab2b 100644
--- a/deps/v8/include/v8-version.h
+++ b/deps/v8/include/v8-version.h
@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 12
 #define V8_MINOR_VERSION 4
 #define V8_BUILD_NUMBER 254
-#define V8_PATCH_LEVEL 18
+#define V8_PATCH_LEVEL 19
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
diff --git a/deps/v8/src/ic/ic.cc b/deps/v8/src/ic/ic.cc
index 4f2a88a90efe70..4d031d183c1f19 100644
--- a/deps/v8/src/ic/ic.cc
+++ b/deps/v8/src/ic/ic.cc
@@ -2377,15 +2377,16 @@ Handle<Object> KeyedStoreIC::StoreElementHandler(
               isolate()),
       IsStoreInArrayLiteralIC());
 
-  if (IsJSProxyMap(*receiver_map)) {
+  if (!IsJSObjectMap(*receiver_map)) {
     // DefineKeyedOwnIC, which is used to define computed fields in instances,
-    // should be handled by the slow stub.
-    if (IsDefineKeyedOwnIC()) {
-      TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_SlowStub);
-      return StoreHandler::StoreSlow(isolate(), store_mode);
+    // should handled by the slow stub below instead of the proxy stub.
+    if (IsJSProxyMap(*receiver_map) && !IsDefineKeyedOwnIC()) {
+      return StoreHandler::StoreProxy(isolate());
     }
 
-    return StoreHandler::StoreProxy(isolate());
+    // Wasm objects or other kind of special objects go through the slow stub.
+    TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_SlowStub);
+    return StoreHandler::StoreSlow(isolate(), store_mode);
   }
 
   // TODO(ishell): move to StoreHandler::StoreElement().