diff --git a/dist/getFilepathsFromGlob.js b/dist/getFilepathsFromGlob.js
new file mode 100644
index 0000000..3fbea54
--- /dev/null
+++ b/dist/getFilepathsFromGlob.js
@@ -0,0 +1,22 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = getFilepathsFromGlob;
+function getFilepathsFromGlob(baseDir, options) {
+  const extensions = options.extensions,
+        include = options.include,
+        exclude = options.exclude;
+
+  const patterns = include.map(inc => `${inc}/*.+(${extensions.join('|')})`);
+
+  // $FlowFixMe(site=react_native_fb,www)
+  const glob = require('fast-glob');
+  return glob.sync(patterns, {
+    cwd: baseDir,
+    bashNative: [],
+    onlyFiles: true,
+    ignore: exclude
+  });
+}
\ No newline at end of file
diff --git a/dist/index.js b/dist/index.js
index b73deb8..8ea7802 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -22,6 +22,10 @@ var _buildWatchmanExpression = require('./buildWatchmanExpression');
 
 var _buildWatchmanExpression2 = _interopRequireDefault(_buildWatchmanExpression);
 
+var _getFilepathsFromGlob = require('./getFilepathsFromGlob');
+
+var _getFilepathsFromGlob2 = _interopRequireDefault(_getFilepathsFromGlob);
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
@@ -36,7 +40,8 @@ class RelayCompilerWebpackPlugin {
         getFileFilter: _getFileFilter2.default,
         getParser: _relayCompiler.FileIRParser.getParser,
         getSchema: () => {},
-        watchmanExpression: []
+        watchmanExpression: null,
+        filepaths: null
       }
     };
     this.writerConfigs = {
@@ -68,14 +73,18 @@ class RelayCompilerWebpackPlugin {
       throw new Error('Could not find your `src` path. Have you provided a fully resolved path?');
     }
 
-    this.parserConfigs.default.baseDir = options.src;
-    this.parserConfigs.default.schema = options.schema;
-    this.parserConfigs.default.getSchema = () => (0, _getSchema2.default)(options.schema);
-    this.parserConfigs.default.watchmanExpression = (0, _buildWatchmanExpression2.default)({
+    const watchman = options.watchman !== undefined ? options.watchman : true;
+    const fileOptions = {
       extensions: ['js'],
       include: ['**'],
       exclude: ['**/node_modules/**', '**/__mocks__/**', '**/__tests__/**', '**/__generated__/**']
-    });
+    };
+
+    this.parserConfigs.default.baseDir = options.src;
+    this.parserConfigs.default.schema = options.schema;
+    this.parserConfigs.default.getSchema = () => (0, _getSchema2.default)(options.schema);
+    this.parserConfigs.default.watchmanExpression = options.watchman ? (0, _buildWatchmanExpression2.default)(fileOptions) : null;
+    this.parserConfigs.default.filepaths = options.watchman ? null : (0, _getFilepathsFromGlob2.default)(options.src, fileOptions);
 
     this.writerConfigs.default.getWriter = (0, _getWriter2.default)(options.src);
 
diff --git a/package.json b/package.json
index 1075a2f..1297d9c 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "babel-preset-stage-1": "^6.24.1",
     "flow-bin": "^0.44.2",
     "graphql": "^0.9.3",
-    "relay-compiler": "1.1.0",
+    "relay-compiler": "^1.2.0",
     "rimraf": "^2.6.1",
     "webpack": "^2.4.1"
   },
diff --git a/src/getFilepathsFromGlob.js b/src/getFilepathsFromGlob.js
new file mode 100644
index 0000000..6a4fdbd
--- /dev/null
+++ b/src/getFilepathsFromGlob.js
@@ -0,0 +1,20 @@
+export default function getFilepathsFromGlob(
+  baseDir,
+  options: {
+    extensions: Array<string>,
+    include: Array<string>,
+    exclude: Array<string>,
+  },
+): Array<string> {
+  const {extensions, include, exclude} = options;
+  const patterns = include.map(inc => `${inc}/*.+(${extensions.join('|')})`);
+
+  // $FlowFixMe(site=react_native_fb,www)
+  const glob = require('fast-glob');
+  return glob.sync(patterns, {
+    cwd: baseDir,
+    bashNative: [],
+    onlyFiles: true,
+    ignore: exclude,
+  });
+}
diff --git a/src/index.js b/src/index.js
index 6002fd2..b386603 100644
--- a/src/index.js
+++ b/src/index.js
@@ -7,6 +7,7 @@ import getSchema from './getSchema'
 import getFileFilter from './getFileFilter'
 import getWriter from './getWriter'
 import buildWatchmanExpression from './buildWatchmanExpression'
+import getFilepathsFromGlob from './getFilepathsFromGlob'
 
 import type { Compiler } from 'webpack'
 
@@ -18,7 +19,8 @@ class RelayCompilerWebpackPlugin {
       getFileFilter,
       getParser: FileIRParser.getParser,
       getSchema: () => {},
-      watchmanExpression: [],
+      watchmanExpression: null,
+      filepaths: null,
     },
   }
 
@@ -36,6 +38,7 @@ class RelayCompilerWebpackPlugin {
   constructor (options: {
     schema: string,
     src: string,
+    watchman: boolean,
   }) {
     if (!options) {
       throw new Error('You must provide options to RelayCompilerWebpackPlugin.')
@@ -57,10 +60,8 @@ class RelayCompilerWebpackPlugin {
       throw new Error('Could not find your `src` path. Have you provided a fully resolved path?')
     }
 
-    this.parserConfigs.default.baseDir = options.src
-    this.parserConfigs.default.schema = options.schema
-    this.parserConfigs.default.getSchema = () => getSchema(options.schema)
-    this.parserConfigs.default.watchmanExpression = buildWatchmanExpression({
+    const watchman = options.watchman !== undefined ? options.watchman : true
+    const fileOptions = {
       extensions: [ 'js' ],
       include: [ '**' ],
       exclude: [
@@ -69,7 +70,13 @@ class RelayCompilerWebpackPlugin {
         '**/__tests__/**',
         '**/__generated__/**',
       ],
-    })
+    }
+
+    this.parserConfigs.default.baseDir = options.src
+    this.parserConfigs.default.schema = options.schema
+    this.parserConfigs.default.getSchema = () => getSchema(options.schema)
+    this.parserConfigs.default.watchmanExpression = options.watchman ? buildWatchmanExpression(fileOptions) : null
+    this.parserConfigs.default.filepaths = options.watchman ? null : getFilepathsFromGlob(options.src, fileOptions)
 
     this.writerConfigs.default.getWriter = getWriter(options.src)