diff --git a/lib/init.js b/lib/init.js
index b5992587..f98635c3 100644
--- a/lib/init.js
+++ b/lib/init.js
@@ -149,6 +149,7 @@ export async function init({ cwd = process.cwd(), logger = defaultLogger } = {})
   await cmd.writePackageFile(".remarkignore");
   await cmd.writePackageFile(".github", "workflows", "commitlint.yml");
   await cmd.writePackageFile(".github", "workflows", "npm-audit-fix.yml");
+  await cmd.writePackageFile(".github", "workflows", "npm-diff.yml");
   await cmd.writePackageFile(".github", "workflows", "release.yml");
   await cmd.writePackageFile(".github", "workflows", "test.yml");
   await cmd.writePackageFile(".husky", "commit-msg");
diff --git a/test/init.test.js b/test/init.test.js
index cfb131ad..a4310093 100644
--- a/test/init.test.js
+++ b/test/init.test.js
@@ -86,18 +86,19 @@ test("End-to-End via CLI", () =>
       cwd: ctx.initArgs.cwd,
     });
     expect(stdout).toMatchInlineSnapshot(`
-      "=> 'package.json' was updated
-      => '.editorconfig' was updated
-      => '.remarkignore' was updated
-      => '.github/workflows/commitlint.yml' was updated
-      => '.github/workflows/npm-audit-fix.yml' was updated
-      => '.github/workflows/release.yml' was updated
-      => '.github/workflows/test.yml' was updated
-      => '.husky/commit-msg' was updated
-      => '.husky/post-commit' was updated
-      => '.husky/pre-commit' was updated
-      "
-    `);
+"=> 'package.json' was updated
+=> '.editorconfig' was updated
+=> '.remarkignore' was updated
+=> '.github/workflows/commitlint.yml' was updated
+=> '.github/workflows/npm-audit-fix.yml' was updated
+=> '.github/workflows/npm-diff.yml' was updated
+=> '.github/workflows/release.yml' was updated
+=> '.github/workflows/test.yml' was updated
+=> '.husky/commit-msg' was updated
+=> '.husky/post-commit' was updated
+=> '.husky/pre-commit' was updated
+"
+`);
     expect(stderr).toEqual("");
   }));