diff --git a/src/class-names/getPlugins.js b/src/class-names/getPlugins.js
index 23941fe..5f3bf80 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 4ff3211..60553ae 100644
--- a/src/class-names/index.js
+++ b/src/class-names/index.js
@@ -184,7 +184,8 @@ function loadMeta(configDir) {
     let featureFlags
 
     try {
-      featureFlags = require('tailwindcss/lib/featureFlags.js').default
+      const tailwindBase = path.dirname(resolve('tailwindcss/package.json'))
+      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 48aac87..6085a00 100644
--- a/src/class-names/resolveConfig.js
+++ b/src/class-names/resolveConfig.js
@@ -12,13 +12,14 @@ export default function resolveConfig({ cwd, 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 {
-        const resolveConfig = require('tailwindcss/lib/util/resolveConfig.js')
-        const defaultConfig = require('tailwindcss/stubs/defaultConfig.stub.js')
+        const resolveConfig = require('./lib/util/resolveConfig.js', tailwindBase)
+        const defaultConfig = require('./stubs/defaultConfig.stub.js', tailwindBase)
         resolve = (config) => resolveConfig([config, defaultConfig])
       } catch (_) {}
     }