diff --git a/common.gypi b/common.gypi
index 6281ebc6fca5e6..6529871fbffe1f 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.32',
+    'v8_embedder_string': '-node.33',
 
     ##### V8 defaults for Node.js #####
 
diff --git a/deps/v8/infra/testing/builders.pyl b/deps/v8/infra/testing/builders.pyl
index 72f739487ccec3..113413bbe8c331 100644
--- a/deps/v8/infra/testing/builders.pyl
+++ b/deps/v8/infra/testing/builders.pyl
@@ -1078,7 +1078,7 @@
       {'name': 'v8testing', 'variant': 'slow_path', 'shards': 1},
     ],
   },
-  'V8 Linux64 TSAN - concurrent marking': {
+  'V8 Linux64 TSAN - stress-incremental-marking': {
     'swarming_dimensions' : {
       'os': 'Ubuntu-16.04',
     },
@@ -1105,7 +1105,7 @@
       {
         'name': 'v8testing',
         'test_args': ['--extra-flags=--stress-incremental-marking'],
-        'shards': 4,
+        'shards': 6,
       },
     ],
   },