diff --git a/data.ts b/data.ts
index 3e6bcfb..9c12d0c 100644
--- a/data.ts
+++ b/data.ts
@@ -6,12 +6,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { readFile } from 'fs/promises'
-import { join } from 'path'
-import { pathToFileURL } from 'url'
+import { readFile } from 'node:fs/promises'
+import { join } from 'node:path'
+import { pathToFileURL } from 'node:url'
 import { Client } from '@opensearch-project/opensearch'
 import type { ClientOptions } from '@opensearch-project/opensearch'
-import { exists } from './paths'
+import { exists } from './paths.js'
 import chunk from 'lodash/chunk.js'
 
 const jsonFilename = 'sandbox-search.json'
diff --git a/index.ts b/index.ts
index 4442503..b737005 100644
--- a/index.ts
+++ b/index.ts
@@ -6,9 +6,9 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { exists } from './paths'
-import { join } from 'path'
-import { pathToFileURL } from 'url'
+import { exists } from './paths.js'
+import { join } from 'node:path'
+import { pathToFileURL } from 'node:url'
 import { launch } from './run.js'
 import { populate } from './data.js'
 import { search as getSearchClient } from '@nasa-gcn/architect-functions-search'
diff --git a/install.ts b/install.ts
index 95327fb..ab4d610 100644
--- a/install.ts
+++ b/install.ts
@@ -6,9 +6,9 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import os from 'os'
-import { pipeline } from 'stream/promises'
-import { join, posix } from 'path'
+import os from 'node:os'
+import { pipeline } from 'node:stream/promises'
+import { join, posix } from 'node:path'
 import fetch from 'make-fetch-happen'
 import { Extract as unzip } from 'unzip-stream'
 import { x as untar } from 'tar'
diff --git a/paths.ts b/paths.ts
index ceff635..4d2448d 100644
--- a/paths.ts
+++ b/paths.ts
@@ -6,10 +6,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { access, mkdir } from 'fs/promises'
+import { access, mkdir } from 'node:fs/promises'
 import envPaths from 'env-paths'
 import { name } from './package.json'
-import type { PathLike } from 'fs'
+import type { PathLike } from 'node:fs'
 
 export const { cache, temp } = envPaths(name)
 
diff --git a/processes.ts b/processes.ts
index 818d6b6..6715254 100644
--- a/processes.ts
+++ b/processes.ts
@@ -6,8 +6,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { spawn as node_spawn } from 'child_process'
-import type { ChildProcess } from 'child_process'
+import { spawn as node_spawn } from 'node:child_process'
+import type { ChildProcess } from 'node:child_process'
 
 export async function spawn(...args: Parameters<typeof node_spawn>) {
   const child = node_spawn(...args)
diff --git a/run.ts b/run.ts
index aa97ccb..ac84df5 100644
--- a/run.ts
+++ b/run.ts
@@ -6,10 +6,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { join } from 'path'
+import { join } from 'node:path'
 import waitPort from 'wait-port'
 import { install } from './install.js'
-import { mkdtemp } from 'fs/promises'
+import { mkdtemp } from 'node:fs/promises'
 import { mkdirP, temp } from './paths.js'
 import rimraf from 'rimraf'
 import type { SandboxEngine } from './engines.js'
diff --git a/runDocker.ts b/runDocker.ts
index c2ffefb..c1e6989 100644
--- a/runDocker.ts
+++ b/runDocker.ts
@@ -7,7 +7,7 @@
  */
 
 import Dockerode from 'dockerode'
-import { fork } from 'child_process'
+import { fork } from 'node:child_process'
 import { type SearchEngineLauncherFunction } from './run.js'
 
 const [, , command, jsonifiedArgs] = process.argv