diff --git a/CHANGES.md b/CHANGES.md
index 3f160a9da..0d2e5501b 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,14 @@ Version 2.4.2
 
 To be released.
 
+### @fedify/init
+
+ -  Migrated the initialization template script to SvelteKit version 3, by
+    replacing the `$lib` syntax to `#lib`. [[#1222], [#1224] by Jungmin Yoon\]
+
+[#1222]: https://github.com/fedify-dev/fedify/issues/1222
+[#1224]: https://github.com/fedify-dev/fedify/issues/1224
+
 
 Version 2.4.1
 -------------
diff --git a/changes.d/init/init-sv-3-migration.md b/changes.d/init/init-sv-3-migration.md
new file mode 100644
index 000000000..c62366fe4
--- /dev/null
+++ b/changes.d/init/init-sv-3-migration.md
@@ -0,0 +1,5 @@
+ -  Migrated the initialization template script to SvelteKit version 3, by
+    replacing the `$lib` syntax to `#lib`. [[#1222], [#1224] by Jungmin Yoon]
+
+[#1222]: https://github.com/fedify-dev/fedify/issues/1222
+[#1224]: https://github.com/fedify-dev/fedify/pull/1224
diff --git a/packages/init/src/json/deps.json b/packages/init/src/json/deps.json
index 64ec5aefa..ad9d6693d 100644
--- a/packages/init/src/json/deps.json
+++ b/packages/init/src/json/deps.json
@@ -33,6 +33,7 @@
   "npm:solid-js": "^1.9.14",
   "npm:tsx": "^4.23.1",
   "npm:typescript": "^5.9.3",
+  "npm:typescript@6": "^6.0.0",
   "npm:vinxi": "^0.5.11",
   "npm:x-forwarded-fetch": "^0.2.0"
 }
diff --git a/packages/init/src/templates/sveltekit/hooks.server.ts.tpl b/packages/init/src/templates/sveltekit/hooks.server.ts.tpl
index 47a60734e..af91e975e 100644
--- a/packages/init/src/templates/sveltekit/hooks.server.ts.tpl
+++ b/packages/init/src/templates/sveltekit/hooks.server.ts.tpl
@@ -1,6 +1,6 @@
 import { fedifyHook } from "@fedify/sveltekit";
 import { sequence } from "@sveltejs/kit/hooks";
-import federation from "$lib/federation";
+import federation from "#lib/federation.ts";
 
 export const handle = sequence(
   fedifyHook(federation),
diff --git a/packages/init/src/webframeworks/sveltekit.ts b/packages/init/src/webframeworks/sveltekit.ts
index d69ae64ee..401cd925d 100644
--- a/packages/init/src/webframeworks/sveltekit.ts
+++ b/packages/init/src/webframeworks/sveltekit.ts
@@ -23,7 +23,7 @@ const sveltekitDescription: WebFrameworkDescription = {
     },
     devDependencies: {
       ...defaultDevDependencies,
-      "typescript": deps["npm:typescript"],
+      "typescript": deps["npm:typescript@6"],
       "@types/node": deps["npm:@types/node@25"],
       ...(pmToRt(pm) === "deno"
         ? {}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 92f03442a..56ce9381e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -103,7 +103,7 @@ catalogs:
       specifier: jsr:^1.0.6
       version: 1.1.0
     '@sveltejs/kit':
-      specifier: ^2.0.0
+      specifier: ^2.0.0 || ^3.0.0
       version: 2.36.2
     '@types/amqplib':
       specifier: ^0.10.8
@@ -39912,7 +39912,7 @@ snapshots:
       '@poppinss/colors': 4.1.6
       '@poppinss/dumper': 0.6.5
       '@speed-highlight/core': 1.2.15
-      cookie: 1.0.2
+      cookie: 1.1.1
       youch-core: 0.3.3
 
   youch@4.1.1:
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 2ed6b43cd..a687b346b 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -109,7 +109,7 @@ catalog:
   "@std/assert": "jsr:^1.0.13"
   "@std/async": "jsr:^1.0.13"
   "@std/path": "jsr:^1.0.6"
-  "@sveltejs/kit": ^2.0.0
+  "@sveltejs/kit": ^2.0.0 || ^3.0.0
   "@types/amqplib": ^0.10.8
   "@types/better-sqlite3": ^7.6.13
   "@types/bun": ^1.2.23