diff --git a/package.json b/package.json
index 5aef6d6b4..73e447694 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   ],
   "atomShellVersion": "0.21.0",
   "dependencies": {
-    "6to5-core": "^3.0.14",
+    "6to5-core": "^3.6.0",
     "async": "0.2.6",
     "atom-keymap": "^3.1.2",
     "atom-space-pen-views": "^2.0.4",
diff --git a/src/6to5.coffee b/src/6to5.coffee
index 9d67efcf8..57dd6babd 100644
--- a/src/6to5.coffee
+++ b/src/6to5.coffee
@@ -18,11 +18,6 @@ defaultOptions =
   # when the source map is inlined.
   sourceMap: 'inline'
 
-  # Because Atom is currently packaged with a fork of React v0.11,
-  # it makes sense to use the --react-compat option so the React
-  # JSX transformer produces pre-v0.12 code.
-  reactCompat: true
-
   # Blacklisted features do not get transpiled. Features that are
   # natively supported in the target environment should be listed
   # here. Because Atom uses a bleeding edge version of Node/io.js,
@@ -40,6 +35,11 @@ defaultOptions =
     # Target a version of the regenerator runtime that
     # supports yield so the transpiled code is cleaner/smaller.
     'asyncToGenerator'
+
+    # Because Atom is currently packaged with a fork of React v0.11,
+    # it makes sense to use the reactCompat transform so the React
+    # JSX transformer produces pre-v0.12 code.
+    'reactCompat'
   ]
 
 ###