diff --git a/src/lib/docker.js b/src/lib/docker.js
index c177ded..3869831 100644
--- a/src/lib/docker.js
+++ b/src/lib/docker.js
@@ -1,14 +1,13 @@
 import Regex from './regex.js'
-import path from 'path'
-import fs from 'fs'
-import core from '@actions/core'
+import { join } from 'path'
+import { statSync } from 'fs'
 
 export default class Dockerfile extends Regex {
   constructor (root = null) {
-    root = path.join(process.env.GITHUB_WORKSPACE, root)
+    root = join(process.env.GITHUB_WORKSPACE, root)
 
-    if (fs.statSync(root).isDirectory()) {
-      root = path.join(root, 'Dockerfile')
+    if (statSync(root).isDirectory()) {
+      root = join(root, 'Dockerfile')
     }
 
     super(root, /LABEL[\s\t]+version=[\t\s+]?[\"\']?([0-9\.]+)[\"\']?/i)
diff --git a/src/lib/regex.js b/src/lib/regex.js
index 95557fb..08b5e59 100644
--- a/src/lib/regex.js
+++ b/src/lib/regex.js
@@ -1,19 +1,19 @@
-import fs from 'fs'
-import path from 'path'
+import { statSync, readFileSync } from 'fs'
+import { resolve } from 'path'
 
 export default class Regex {
   constructor (root = './', pattern) {
-    root = path.resolve(root)
+    root = resolve(root)
 
-    if (fs.statSync(root).isDirectory()) {
+    if (statSync(root).isDirectory()) {
       throw new Error(`${root} is a directory. The Regex tag identification strategy requires a file.`)
     }
 
-    if (!fs.existsSync(root)) {
+    if (!existsSync(root)) {
       throw new Error(`"${root}" does not exist.`)
     }
 
-    this.content = fs.readFileSync(root).toString()
+    this.content = readFileSync(root).toString()
 
     let content = pattern.exec(this.content)
     if (!content) {
diff --git a/src/lib/setup.js b/src/lib/setup.js
index 4109c2b..13e488e 100644
--- a/src/lib/setup.js
+++ b/src/lib/setup.js
@@ -1,5 +1,5 @@
 import core from '@actions/core'
-import fs from 'fs'
+import { readdirSync } from 'fs'
 import path from 'path'
 
 export default class Setup {
@@ -11,8 +11,7 @@ export default class Setup {
         .join('\n -> ')}`
     )
 
-    const dir = fs
-      .readdirSync(path.resolve(process.env.GITHUB_WORKSPACE), { withFileTypes: true })
+    const dir = readdirSync(path.resolve(process.env.GITHUB_WORKSPACE), { withFileTypes: true })
       .map(entry => {
         return `${entry.isDirectory() ? '> ' : '  - '}${entry.name}`
       })