diff --git a/common.gypi b/common.gypi
index 98268068f9..598ba76d55 100644
--- a/common.gypi
+++ b/common.gypi
@@ -25,6 +25,10 @@
     # Default to -O0 for debug builds.
     'v8_optimized_debug%': 0,
 
+    # 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.0',
+
     # Enable disassembler for `--print-code` v8 options
     'v8_enable_disassembler': 1,
 
diff --git a/doc/api/process.md b/doc/api/process.md
index 8b8ce0f43d..ca5f13ed56 100644
--- a/doc/api/process.md
+++ b/doc/api/process.md
@@ -1790,6 +1790,9 @@ changes:
   - version: v4.2.0
     pr-url: https://github.com/nodejs/node/pull/3102
     description: The `icu` property is now supported.
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/15785
+    description: The `v8` property now includes a Node.js specific suffix.
 -->
 
 * {Object}
@@ -1810,7 +1813,7 @@ Will generate an object similar to:
 {
   http_parser: '2.3.0',
   node: '1.1.1',
-  v8: '4.1.0.14',
+  v8: '6.1.534.42-node.0',
   uv: '1.3.0',
   zlib: '1.2.8',
   ares: '1.10.0-DEV',
diff --git a/doc/guides/maintaining-V8.md b/doc/guides/maintaining-V8.md
index dd5416677e..73ba14bf53 100644
--- a/doc/guides/maintaining-V8.md
+++ b/doc/guides/maintaining-V8.md
@@ -167,7 +167,8 @@ to be cherry-picked in the Node.js repository and V8-CI must test the change.
 
 * For each abandoned V8 branch corresponding to an LTS branch that is affected by the bug:
     * Open a cherry-pick PR on nodejs/node targeting the appropriate *vY.x-staging* branch (e.g. *v6.x-staging* to fix an issue in V8-5.1).
-    * Increase the patch level version in v8-version.h. This will not cause any problems with versioning because V8 will not publish other patches for this branch, so Node.js can effectively bump the patch version.
+    * On Node.js < 9.0.0: Increase the patch level version in v8-version.h. This will not cause any problems with versioning because V8 will not publish other patches for this branch, so Node.js can effectively bump the patch version.
+    * On Node.js >= 9.0.0: Increase the `v8_embedder_string` number in `common.gypi`.
     * In some cases the patch may require extra effort to merge in case V8 has changed substantially. For important issues we may be able to lean on the V8 team to get help with reimplementing the patch.
     * Run the Node.js [V8-CI](https://ci.nodejs.org/job/node-test-commit-v8-linux/) in addition to the [Node.js CI](https://ci.nodejs.org/job/node-test-pull-request/).
 
@@ -265,6 +266,7 @@ above. A better strategy is to
 
 1. Audit the current master branch and look at the patches that have been floated since the last major V8 update.
 1. Replace the copy of V8 in Node.js with a fresh checkout of the latest stable V8 branch. Special care must be taken to recursively update the DEPS that V8 has a compile time dependency on (at the moment of this writing, these are only trace_event and gtest_prod.h)
+1. Reset the `v8_embedder_string` variable to "-node.0" in `common.gypi`.
 1. Refloat (cherry-pick) all the patches from list computed in 1) as necessary. Some of the patches may no longer be necessary.
 
 To audit for floating patches:
diff --git a/lib/internal/v8_prof_polyfill.js b/lib/internal/v8_prof_polyfill.js
index e77f1f76bc..1c9ba4ebc5 100644
--- a/lib/internal/v8_prof_polyfill.js
+++ b/lib/internal/v8_prof_polyfill.js
@@ -82,14 +82,16 @@ function readline() {
 }
 
 function versionCheck() {
-  // v8-version looks like "v8-version,$major,$minor,$build,$patch,$candidate"
-  // whereas process.versions.v8 is either "$major.$minor.$build" or
-  // "$major.$minor.$build.$patch".
+  // v8-version looks like
+  // "v8-version,$major,$minor,$build,$patch[,$embedder],$candidate"
+  // whereas process.versions.v8 is either "$major.$minor.$build-$embedder" or
+  // "$major.$minor.$build.$patch-$embedder".
   var firstLine = readline();
   line = firstLine + '\n' + line;
   firstLine = firstLine.split(',');
-  const curVer = process.versions.v8.split('.');
-  if (firstLine.length !== 6 && firstLine[0] !== 'v8-version') {
+  const curVer = process.versions.v8.split(/\.-/);
+  if (firstLine.length !== 6 && firstLine.length !== 7 ||
+      firstLine[0] !== 'v8-version') {
     console.log('Unable to read v8-version from log file.');
     return;
   }
diff --git a/test/parallel/test-process-versions.js b/test/parallel/test-process-versions.js
index 65634ece6c..5644ac4658 100644
--- a/test/parallel/test-process-versions.js
+++ b/test/parallel/test-process-versions.js
@@ -29,7 +29,7 @@ assert(commonTemplate.test(process.versions.node));
 assert(commonTemplate.test(process.versions.uv));
 assert(commonTemplate.test(process.versions.zlib));
 
-assert(/^\d+\.\d+\.\d+(?:\.\d+)?(?: \(candidate\))?$/
+assert(/^\d+\.\d+\.\d+(?:\.\d+)?-node\.\d+(?: \(candidate\))?$/
   .test(process.versions.v8));
 assert(/^\d+$/.test(process.versions.modules));