diff --git a/common.gypi b/common.gypi
index 0235880edf83bb..902d69c6272fb7 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.27',
+    'v8_embedder_string': '-node.28',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/src/objects/module-inl.h b/deps/v8/src/objects/module-inl.h
index 80bfa7b4d6b2ae..d270a9cdfc3671 100644
--- a/deps/v8/src/objects/module-inl.h
+++ b/deps/v8/src/objects/module-inl.h
@@ -36,8 +36,9 @@ ACCESSORS(Module, exception, Object, kExceptionOffset)
 SMI_ACCESSORS(Module, status, kStatusOffset)
 SMI_ACCESSORS(Module, hash, kHashOffset)
 
-BOOL_ACCESSORS(SourceTextModule, flags, async, kAsyncBit)
-BOOL_ACCESSORS(SourceTextModule, flags, async_evaluating, kAsyncEvaluatingBit)
+BOOL_ACCESSORS(SourceTextModule, flags, async, AsyncBit::kShift)
+BOOL_ACCESSORS(SourceTextModule, flags, async_evaluating,
+               AsyncEvaluatingBit::kShift)
 ACCESSORS(SourceTextModule, async_parent_modules, ArrayList,
           kAsyncParentModulesOffset)
 ACCESSORS(SourceTextModule, top_level_capability, HeapObject,
diff --git a/deps/v8/src/objects/source-text-module.h b/deps/v8/src/objects/source-text-module.h
index d716674c12d01a..aceccd64ba2be0 100644
--- a/deps/v8/src/objects/source-text-module.h
+++ b/deps/v8/src/objects/source-text-module.h
@@ -7,6 +7,7 @@
 
 #include "src/objects/module.h"
 #include "src/objects/promise.h"
+#include "torque-generated/bit-fields-tq.h"
 
 // Has to be the last include (doesn't have include guards):
 #include "src/objects/object-macros.h"
@@ -94,8 +95,7 @@ class SourceTextModule
   inline void DecrementPendingAsyncDependencies();
 
   // Bits for flags.
-  static const int kAsyncBit = 0;
-  static const int kAsyncEvaluatingBit = 1;
+  DEFINE_TORQUE_GENERATED_SOURCE_TEXT_MODULE_FLAGS()
 
   // async_evaluating, top_level_capability, pending_async_dependencies, and
   // async_parent_modules are used exclusively during evaluation of async
diff --git a/deps/v8/src/objects/source-text-module.tq b/deps/v8/src/objects/source-text-module.tq
index 091a267cb6f01a..a9e3ee3db9a793 100644
--- a/deps/v8/src/objects/source-text-module.tq
+++ b/deps/v8/src/objects/source-text-module.tq
@@ -4,6 +4,11 @@
 
 type SourceTextModuleInfo extends FixedArray;
 
+bitfield struct SourceTextModuleFlags extends uint31 {
+  async: bool: 1 bit;
+  async_evaluating: bool: 1 bit;
+}
+
 @generateCppClass
 extern class SourceTextModule extends Module {
   // The code representing this module, or an abstraction thereof.
@@ -44,7 +49,7 @@ extern class SourceTextModule extends Module {
   // The number of currently evaluating async dependencies of this module.
   pending_async_dependencies: Smi;
 
-  flags: Smi;
+  flags: SmiTagged<SourceTextModuleFlags>;
 }
 
 @generateCppClass