diff --git a/.eslintrc.js b/.eslintrc.js
index 0e8ad007..5db9f815 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,5 +1,7 @@
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
diff --git a/lib/content/eslintrc.js b/lib/content/eslintrc.js
index 1718f033..ae9b6ef7 100644
--- a/lib/content/eslintrc.js
+++ b/lib/content/eslintrc.js
@@ -1,3 +1,5 @@
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
diff --git a/tap-snapshots/test/apply/full-content.js.test.cjs b/tap-snapshots/test/apply/full-content.js.test.cjs
index a0fc34cb..e7beb049 100644
--- a/tap-snapshots/test/apply/full-content.js.test.cjs
+++ b/tap-snapshots/test/apply/full-content.js.test.cjs
@@ -23,6 +23,8 @@ module.exports = {
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
@@ -497,6 +499,8 @@ module.exports = {
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
@@ -1277,6 +1281,8 @@ workspaces/a/.eslintrc.js
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)
@@ -1353,6 +1359,8 @@ workspaces/b/.eslintrc.js
 ========================================
 /* This file is automatically added by @npmcli/template-oss. Do not edit. */
 
+'use strict'
+
 const { readdirSync: readdir } = require('fs')
 
 const localConfigs = readdir(__dirname)