diff --git a/common.gypi b/common.gypi
index a3aeff7e03d..b2fa7874c26 100644
--- a/common.gypi
+++ b/common.gypi
@@ -27,7 +27,7 @@
 
     # 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.4',
+    'v8_embedder_string': '-node.5',
 
     # Enable disassembler for `--print-code` v8 options
     'v8_enable_disassembler': 1,
diff --git a/deps/v8/gypfiles/features.gypi b/deps/v8/gypfiles/features.gypi
index d285ee21da5..8c99b4f0866 100644
--- a/deps/v8/gypfiles/features.gypi
+++ b/deps/v8/gypfiles/features.gypi
@@ -89,6 +89,9 @@
 
     # Controls the threshold for on-heap/off-heap Typed Arrays.
     'v8_typed_array_max_size_in_heap%': 64,
+
+    # Enable mitigations for executing untrusted code.
+    'v8_untrusted_code_mitigations%': 'true',
   },
   'target_defaults': {
     'conditions': [
@@ -143,6 +146,9 @@
       ['v8_enable_concurrent_marking==1', {
         'defines': ['V8_CONCURRENT_MARKING',],
       }],
+      ['v8_untrusted_code_mitigations=="false"', {
+        'defines': ['DISABLE_UNTRUSTED_CODE_MITIGATIONS',],
+      }],
     ],  # conditions
     'configurations': {
       'DebugBaseCommon': {