diff --git a/docs/api-change.md b/docs/api-change.md
index dfd873b873..ff382fc6c9 100644
--- a/docs/api-change.md
+++ b/docs/api-change.md
@@ -2,6 +2,10 @@
 
 Breaking changes are indicated by the :warning: icon.
 
+## Unreleased
+
+- :warning: The field name of the response of `latest-version` has been changed from `tag_name` to `latest_version`.
+
 ## v1.0.5-rc
 
 - `admin/update-meta` can now take `moreUrls` parameter, and response of `admin/meta` now includes `moreUrls`
diff --git a/packages/backend/src/server/api/endpoints/latest-version.ts b/packages/backend/src/server/api/endpoints/latest-version.ts
index a5c00e7a4c..2ca29429b6 100644
--- a/packages/backend/src/server/api/endpoints/latest-version.ts
+++ b/packages/backend/src/server/api/endpoints/latest-version.ts
@@ -14,14 +14,14 @@ export const paramDef = {
 } as const;
 
 export default define(meta, paramDef, async () => {
-	let tag_name;
-	await fetch("https://git.joinfirefish.org/api/v4/projects/7/releases")
+	let latest_version;
+	await fetch("https://firefish.dev/firefish/firefish/-/raw/main/package.json")
 		.then((response) => response.json())
 		.then((data) => {
-			tag_name = data[0].tag_name;
+			latest_version = data.version;
 		});
 
 	return {
-		tag_name,
+		latest_version,
 	};
 });
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 009a6ba6e2..82cf2e3c0c 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -122,7 +122,7 @@ os.api("admin/abuse-user-reports", {
 
 if (defaultStore.state.showAdminUpdates) {
 	os.api("latest-version").then((res) => {
-		const cleanRes = parseInt(res?.tag_name.replace(/[^0-9]/g, ""));
+		const cleanRes = parseInt(res?.latest_version.replace(/[^0-9]/g, ""));
 		const cleanVersion = parseInt(version.replace(/[^0-9]/g, ""));
 		if (cleanRes > cleanVersion) {
 			updateAvailable.value = true;
diff --git a/packages/client/src/ui/_common_/navbar.vue b/packages/client/src/ui/_common_/navbar.vue
index 875060576f..9c2dc5d8d7 100644
--- a/packages/client/src/ui/_common_/navbar.vue
+++ b/packages/client/src/ui/_common_/navbar.vue
@@ -206,7 +206,7 @@ if (isAdmin) {
 
 if (defaultStore.state.showAdminUpdates) {
 	os.api("latest-version").then((res) => {
-		const cleanRes = parseInt(res?.tag_name.replace(/[^0-9]/g, ""));
+		const cleanRes = parseInt(res?.latest_version.replace(/[^0-9]/g, ""));
 		const cleanVersion = parseInt(version.replace(/[^0-9]/g, ""));
 		if (cleanRes > cleanVersion) {
 			updateAvailable.value = true;