diff --git a/common.gypi b/common.gypi
index bb089b6527d914..8d00e6864a52ba 100644
--- a/common.gypi
+++ b/common.gypi
@@ -37,7 +37,7 @@
 
     # 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.14',
+    'v8_embedder_string': '-node.15',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/include/v8-util.h b/deps/v8/include/v8-util.h
index 466b99fd6b717e..24962607076f78 100644
--- a/deps/v8/include/v8-util.h
+++ b/deps/v8/include/v8-util.h
@@ -198,7 +198,7 @@ class PersistentValueMapBase {
    * Call V8::RegisterExternallyReferencedObject with the map value for given
    * key.
    */
-  V8_DEPRECATE_SOON(
+  V8_DEPRECATED(
       "Used TracedGlobal and EmbedderHeapTracer::RegisterEmbedderReference",
       inline void RegisterExternallyReferencedObject(K& key));
 
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h
index 8bb2990c494ad5..7346e0bbbc74c2 100644
--- a/deps/v8/include/v8.h
+++ b/deps/v8/include/v8.h
@@ -549,7 +549,7 @@ template <class T> class PersistentBase {
    * is alive. Only allowed when the embedder is asked to trace its heap by
    * EmbedderHeapTracer.
    */
-  V8_DEPRECATE_SOON(
+  V8_DEPRECATED(
       "Used TracedGlobal and EmbedderHeapTracer::RegisterEmbedderReference",
       V8_INLINE void RegisterExternalReference(Isolate* isolate) const);
 
@@ -572,7 +572,7 @@ template <class T> class PersistentBase {
    *
    * This bit is cleared after the each garbage collection pass.
    */
-  V8_DEPRECATE_SOON("Use TracedGlobal.", V8_INLINE void MarkActive());
+  V8_DEPRECATED("Use TracedGlobal.", V8_INLINE void MarkActive());
 
   V8_DEPRECATED("See MarkIndependent.", V8_INLINE bool IsIndependent() const);