diff --git a/src/shared/meta.ts b/src/shared/meta.ts
index 7142f69..bfb5be0 100644
--- a/src/shared/meta.ts
+++ b/src/shared/meta.ts
@@ -74,6 +74,9 @@ export const META_FIELDS_STRING = [
   "downloadURL",
   "supportURL",
   "unwrap",
+  // Only valid for Violent Monkey @see {@link https://violentmonkey.github.io/api/metadata-block/#inject-into}
+  "inject-into", 
+  "injectInto"
 ] as const
 
 export const META_FIELDS = [
@@ -89,4 +92,5 @@ export const META_FIELD_ALIAS: {
   [K in keyof Meta]?: ConditionalKeys<Meta, Meta[K]>
 } = {
   runAt: "run-at",
+  injectInto: "inject-into",
 }
diff --git a/tests/cases/basic/__snapshots__/basic.test.ts/build-1.txt b/tests/cases/basic/__snapshots__/basic.test.ts/build-1.txt
index 683c7a8..495ed84 100644
--- a/tests/cases/basic/__snapshots__/basic.test.ts/build-1.txt
+++ b/tests/cases/basic/__snapshots__/basic.test.ts/build-1.txt
@@ -1,9 +1,10 @@
 // ==UserScript==
-// @name     Hello world
-// @grant    GM_log
-// @match    *://*/*
-// @version  1.0.0
-// @run-at   document-end
+// @name         Hello world
+// @grant        GM_log
+// @match        *://*/*
+// @version      1.0.0
+// @run-at       document-end
+// @inject-into  content
 // ==/UserScript==
 
 ;(() => {
diff --git a/tests/cases/basic/meta.js b/tests/cases/basic/meta.js
index 5a04901..5ec0b4c 100644
--- a/tests/cases/basic/meta.js
+++ b/tests/cases/basic/meta.js
@@ -2,6 +2,6 @@ module.exports = {
   name: "Hello world",
   version: "1.0.0",
   match: ["*://*/*"],
-  'run-at': "document-start",
   runAt: "document-end",
+  'inject-into': "content"
 }