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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 (_) {

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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
@@ -184,7 +184,8 @@     const version = require('tailwindcss/package.json').version
     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 }

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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
@@ -12,13 +12,14 @@     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 {
-        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 (_) {}
     }