diff --git a/lib/generate-snapshot-script.js b/lib/generate-snapshot-script.js
index bc7f05a..b70fa6e 100644
--- a/lib/generate-snapshot-script.js
+++ b/lib/generate-snapshot-script.js
@@ -3,10 +3,11 @@
 const fs = require('fs')
 const path = require('path')
 const FileRequireTransform = require('./file-require-transform')
-const indentString = require('indent-string')
+const indentStringImport = import('indent-string')
 const {SourceMapGenerator} = require('source-map')
 
 module.exports = async function (cache, options) {
+  const {default: indentString} = await indentStringImport
   // Phase 1: Starting at the main module, traverse all requires, transforming
   // all module references to paths relative to the base directory path and
   // collecting abstract syntax trees for use in generating the script in
diff --git a/package-lock.json b/package-lock.json
index 5428576..341c06d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "acorn": "^8.0.4",
         "ast-util-plus": "^0.7.1",
         "classic-level": "^3.0.0",
-        "indent-string": "^4.0.0",
+        "indent-string": "^5.0.0",
         "recast": "^0.20.4",
         "resolve": "^1.19.0",
         "source-map": "^0.7.3"
@@ -1563,11 +1563,14 @@
       "license": "BSD-3-Clause"
     },
     "node_modules/indent-string": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-4.0.0.tgz",
-      "integrity": "sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-5.0.0.tgz",
+      "integrity": "sha512-m6FAo/spmsW2Ab2fU35JTYwtOKa2yAwXSwgjSv1TJzh4Mh7mC3lzAOVLBprb72XsTrgkEIsl7YrFNAiDiRhIGg==",
       "engines": {
-        "node": ">=8"
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/inflight": {
diff --git a/package.json b/package.json
index 2c6c05d..6842d9a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "acorn": "^8.0.4",
     "ast-util-plus": "^0.7.1",
     "classic-level": "^3.0.0",
-    "indent-string": "^4.0.0",
+    "indent-string": "^5.0.0",
     "recast": "^0.20.4",
     "resolve": "^1.19.0",
     "source-map": "^0.7.3"