diff --git a/common.gypi b/common.gypi
index 0df1792137febf..da2e7b0462dfa9 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.18',
+    'v8_embedder_string': '-node.19',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/include/v8config.h b/deps/v8/include/v8config.h
index 6753eb083b3c1c..207afac8b0adeb 100644
--- a/deps/v8/include/v8config.h
+++ b/deps/v8/include/v8config.h
@@ -703,6 +703,8 @@ V8 shared library set USING_V8_SHARED.
 #define V8_TARGET_ARCH_ARM 1
 #elif defined(__mips64)
 #define V8_TARGET_ARCH_MIPS64 1
+#elif defined(__loongarch64)
+#define V8_TARGET_ARCH_LOONG64 1
 #elif defined(_ARCH_PPC64)
 #define V8_TARGET_ARCH_PPC64 1
 #elif defined(_ARCH_PPC)