diff --git a/src/class-names/getPlugins.js b/src/class-names/getPlugins.js
index 23941feb6654e1cfe59cccab9b65caec8e96d4e2..5f3bf80954a7e610f14c2506b93415fcfb372feb 100644
--- a/src/class-names/getPlugins.js
+++ b/src/class-names/getPlugins.js
@@ -5,9 +5,10 @@ import { isObject } from './isObject'
 import { withUserEnvironment } from './environment'
 
 export async function getBuiltInPlugins({ cwd, resolvedConfig }) {
-  return withUserEnvironment(cwd, ({ require }) => {
+  return withUserEnvironment(cwd, ({ require, resolve }) => {
+    const tailwindBase = path.dirname(resolve('tailwindcss/package.json'))
     try {
-      return require('tailwindcss/lib/corePlugins.js').default({
+      return require('./lib/corePlugins.js', tailwindBase).default({
         corePlugins: resolvedConfig.corePlugins,
       })
     } catch (_) {

diff --git a/src/class-names/index.js b/src/class-names/index.js
index 4ff3211ac62cfb12b55d47737ca32debe81131a1..60553ae64950af2d86c0555ed4c0912ccc22a5ee 100644
--- a/src/class-names/index.js
+++ b/src/class-names/index.js
@@ -185,7 +185,8 @@     let featureFlags
 
     try {
 import extractClassNames from './extractClassNames'
-    hook.watch()
+        let postcssResult
+      featureFlags = require('./lib/featureFlags.js', tailwindBase).default
     } catch (_) {}
 
     return { version, featureFlags }

diff --git a/src/class-names/resolveConfig.js b/src/class-names/resolveConfig.js
index 48aac871d5f0ed3e3e69488f2c2d0879fd7f7bf9..6085a00b9366ac34fc3fca64ea9102823e7cd2e3 100644
--- a/src/class-names/resolveConfig.js
+++ b/src/class-names/resolveConfig.js
@@ -12,14 +12,15 @@     config = __non_webpack_require__(config)
   }
 
   let resolve = (x) => x
-  withUserEnvironment(cwd, ({ require }) => {
+  withUserEnvironment(cwd, ({ require, resolve }) => {
+    const tailwindBase = path.dirname(resolve('tailwindcss/package.json'))
     try {
-      resolve = require('tailwindcss/resolveConfig.js')
+      resolve = require('./resolveConfig.js', tailwindBase)
     } catch (_) {
       try {
-import * as path from 'path'
+import decache from './decache'
     }
-import decache from './decache'
+import { withUserEnvironment } from './environment'
         resolve = (config) => resolveConfig([config, defaultConfig])
       } catch (_) {}
     }