diff --git a/templates/angular-example/package.json b/templates/angular-example/package.json
index a5058a87..8872ae4e 100644
--- a/templates/angular-example/package.json
+++ b/templates/angular-example/package.json
@@ -22,7 +22,7 @@
     "@angular/platform-browser": "^20.0.5",
     "@angular/platform-browser-dynamic": "^20.0.5",
     "@angular/router": "^20.0.5",
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "nanoid": "^5.1.5",
     "rxjs": "~7.8.2",
diff --git a/templates/angular-example/src/app/components/login/login.component.html b/templates/angular-example/src/app/components/login/login.component.html
index c33c6621..4f0a388a 100644
--- a/templates/angular-example/src/app/components/login/login.component.html
+++ b/templates/angular-example/src/app/components/login/login.component.html
@@ -1 +1 @@
-<app-button (click)="signIn()">Sign in</app-button>
+<app-button (click)="signIn({ internet_identity: {} })">Sign in</app-button>
diff --git a/templates/angular-starter/package.json b/templates/angular-starter/package.json
index bb5ad018..a91a7b1c 100644
--- a/templates/angular-starter/package.json
+++ b/templates/angular-starter/package.json
@@ -22,7 +22,7 @@
     "@angular/platform-browser": "^20.0.5",
     "@angular/platform-browser-dynamic": "^20.0.5",
     "@angular/router": "^20.0.5",
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "rxjs": "~7.8.2",
     "tslib": "^2.8.1",
diff --git a/templates/astro-starter/package.json b/templates/astro-starter/package.json
index 1d663ff9..690c5079 100644
--- a/templates/astro-starter/package.json
+++ b/templates/astro-starter/package.json
@@ -15,7 +15,7 @@
     "@astrojs/mdx": "^4.3.0",
     "@astrojs/rss": "^4.0.12",
     "@astrojs/sitemap": "^3.4.1",
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/vite": "^4.1.10",
     "astro": "^5.10.1",
diff --git a/templates/nextjs-example/src/components/login.tsx b/templates/nextjs-example/src/components/login.tsx
index 320428bd..7d447eda 100644
--- a/templates/nextjs-example/src/components/login.tsx
+++ b/templates/nextjs-example/src/components/login.tsx
@@ -2,11 +2,11 @@ import { Button } from "@/components/button";
 import { signIn } from "@junobuild/core";
 
 export const Login = () => {
-  const doSignIn = async () => {
+  const signWithII = async () => {
     await signIn({
       internet_identity: {},
     });
   };
 
-  return <Button onClick={doSignIn}>Continue with Internet Identity</Button>;
+  return <Button onClick={signWithII}>Continue with Internet Identity</Button>;
 };
diff --git a/templates/nextjs-starter/package.json b/templates/nextjs-starter/package.json
index ce67bcb6..5f43e55a 100644
--- a/templates/nextjs-starter/package.json
+++ b/templates/nextjs-starter/package.json
@@ -12,14 +12,14 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "next": "15.3.4",
     "react": "19.1.0",
     "react-dom": "19.1.0"
   },
   "devDependencies": {
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/nextjs-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@types/node": "^24",
diff --git a/templates/react-example/package.json b/templates/react-example/package.json
index ddbd9aea..81912361 100644
--- a/templates/react-example/package.json
+++ b/templates/react-example/package.json
@@ -13,7 +13,7 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "nanoid": "^5.1.5",
     "react": "19.1.0",
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.29.0",
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",
diff --git a/templates/react-example/src/components/Login.jsx b/templates/react-example/src/components/Login.jsx
index e300ff05..892719ef 100644
--- a/templates/react-example/src/components/Login.jsx
+++ b/templates/react-example/src/components/Login.jsx
@@ -2,5 +2,11 @@ import { signIn } from "@junobuild/core";
 import { Button } from "./Button";
 
 export const Login = () => {
-  return <Button onClick={signIn}>Sign in</Button>;
+  const signWithII = async () => {
+    await signIn({
+      internet_identity: {},
+    });
+  };
+
+  return <Button onClick={signWithII}>Sign in</Button>;
 };
diff --git a/templates/react-starter/package.json b/templates/react-starter/package.json
index fb7c4caa..a5aabf17 100644
--- a/templates/react-starter/package.json
+++ b/templates/react-starter/package.json
@@ -13,14 +13,14 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "react": "19.1.0",
     "react-dom": "19.1.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.29.0",
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",
diff --git a/templates/react-ts-example/package.json b/templates/react-ts-example/package.json
index 7cfbf9eb..1c2a5591 100644
--- a/templates/react-ts-example/package.json
+++ b/templates/react-ts-example/package.json
@@ -13,7 +13,7 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "nanoid": "^5.1.5",
     "react": "19.1.0",
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.29.0",
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",
diff --git a/templates/react-ts-example/src/components/Login.tsx b/templates/react-ts-example/src/components/Login.tsx
index 336529b6..d27ef64b 100644
--- a/templates/react-ts-example/src/components/Login.tsx
+++ b/templates/react-ts-example/src/components/Login.tsx
@@ -3,5 +3,11 @@ import { FC } from "react";
 import { Button } from "./Button";
 
 export const Login: FC = () => {
-  return <Button onClick={signIn}>Sign in</Button>;
+  const signWithII = async () => {
+    await signIn({
+      internet_identity: {},
+    });
+  };
+
+  return <Button onClick={signWithII}>Sign in</Button>;
 };
diff --git a/templates/react-ts-starter/package.json b/templates/react-ts-starter/package.json
index 59f47bd0..7e09cb0b 100644
--- a/templates/react-ts-starter/package.json
+++ b/templates/react-ts-starter/package.json
@@ -13,14 +13,14 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "react": "19.1.0",
     "react-dom": "19.1.0"
   },
   "devDependencies": {
     "@eslint/js": "^9.29.0",
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",
diff --git a/templates/sveltekit-example/package.json b/templates/sveltekit-example/package.json
index 667447b6..b4b43d11 100644
--- a/templates/sveltekit-example/package.json
+++ b/templates/sveltekit-example/package.json
@@ -15,7 +15,7 @@
 		"postinstall": "npm run postinstall:copy-auth"
 	},
 	"devDependencies": {
-		"@junobuild/config": "^2.0.0",
+		"@junobuild/config": "^2.1.0",
 		"@junobuild/vite-plugin": "^4.1.4",
 		"@sveltejs/adapter-static": "^3.0.8",
 		"@sveltejs/kit": "^2.22.1",
@@ -41,7 +41,7 @@
 	},
 	"type": "module",
 	"dependencies": {
-		"@junobuild/core": "^1.1.1",
+		"@junobuild/core": "^2.0.0",
 		"@junobuild/functions": "^0.2.7",
 		"nanoid": "^5.1.5"
 	},
diff --git a/templates/sveltekit-example/src/lib/components/Login.svelte b/templates/sveltekit-example/src/lib/components/Login.svelte
index ae1b4ce7..d259a5c6 100644
--- a/templates/sveltekit-example/src/lib/components/Login.svelte
+++ b/templates/sveltekit-example/src/lib/components/Login.svelte
@@ -2,9 +2,11 @@
 	import Button from '$lib/components/Button.svelte';
 	import { signIn } from '@junobuild/core';
 
-	const login = async () => {
-		await signIn();
+	const signInWithII = async () => {
+		await signIn({
+			internet_identity: {},
+		});
 	};
 </script>
 
-<Button onclick={login}>Sign in</Button>
+<Button onclick={signInWithII}>Sign in</Button>
diff --git a/templates/sveltekit-starter/package.json b/templates/sveltekit-starter/package.json
index f726d00d..bcac21d5 100644
--- a/templates/sveltekit-starter/package.json
+++ b/templates/sveltekit-starter/package.json
@@ -15,7 +15,7 @@
 		"postinstall": "npm run postinstall:copy-auth"
 	},
 	"devDependencies": {
-		"@junobuild/config": "^2.0.0",
+		"@junobuild/config": "^2.1.0",
 		"@junobuild/vite-plugin": "^4.1.4",
 		"@sveltejs/adapter-static": "^3.0.8",
 		"@sveltejs/kit": "^2.22.1",
@@ -44,7 +44,7 @@
 		"cookie": "^0.7.0"
 	},
 	"dependencies": {
-		"@junobuild/core": "^1.1.1",
+		"@junobuild/core": "^2.0.0",
 		"@junobuild/functions": "^0.2.7"
 	}
 }
diff --git a/templates/vanilla-js-example/package.json b/templates/vanilla-js-example/package.json
index 30dee065..65ff8b0b 100644
--- a/templates/vanilla-js-example/package.json
+++ b/templates/vanilla-js-example/package.json
@@ -12,7 +12,7 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "devDependencies": {
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",
@@ -23,7 +23,7 @@
     "vite-plugin-node-polyfills": "^0.24.0"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "nanoid": "^5.1.5"
   }
diff --git a/templates/vanilla-js-example/src/components/login.js b/templates/vanilla-js-example/src/components/login.js
index c3a5c75c..d14c6ab7 100644
--- a/templates/vanilla-js-example/src/components/login.js
+++ b/templates/vanilla-js-example/src/components/login.js
@@ -2,10 +2,16 @@ import { signIn } from "@junobuild/core";
 import { addEventClick } from "../utils/utils";
 
 export const renderLogin = (app) => {
+  const signInWithII = async () => {
+    await signIn({
+      internet_identity: {},
+    });
+  };
+
   addEventClick({
     target: app,
     selector: "#login",
-    fn: signIn,
+    fn: signInWithII,
   });
 
   app.innerHTML = `<button id="login"
diff --git a/templates/vue-example/package.json b/templates/vue-example/package.json
index f5103158..082290c8 100644
--- a/templates/vue-example/package.json
+++ b/templates/vue-example/package.json
@@ -16,7 +16,7 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "nanoid": "^5.1.5",
     "pinia": "^3.0.3",
@@ -24,7 +24,7 @@
     "vue-router": "^4.5.1"
   },
   "devDependencies": {
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",
diff --git a/templates/vue-example/src/components/Login.vue b/templates/vue-example/src/components/Login.vue
index cab33829..397c1f97 100644
--- a/templates/vue-example/src/components/Login.vue
+++ b/templates/vue-example/src/components/Login.vue
@@ -2,11 +2,13 @@
 import { signIn } from '@junobuild/core'
 import Button from '@/components/Button.vue'
 
-const login = async () => {
-  await signIn()
-}
+const signInWithII = async () => {
+  await signIn({
+    internet_identity: {},
+  });
+};
 </script>
 
 <template>
-  <Button @click="login">Sign in</Button>
+  <Button @click="signInWithII">Sign in</Button>
 </template>
diff --git a/templates/vue-starter/package.json b/templates/vue-starter/package.json
index de532604..e00636c7 100644
--- a/templates/vue-starter/package.json
+++ b/templates/vue-starter/package.json
@@ -16,14 +16,14 @@
     "postinstall": "npm run postinstall:copy-auth"
   },
   "dependencies": {
-    "@junobuild/core": "^1.1.1",
+    "@junobuild/core": "^2.0.0",
     "@junobuild/functions": "^0.2.7",
     "pinia": "^3.0.3",
     "vue": "^3.5.17",
     "vue-router": "^4.5.1"
   },
   "devDependencies": {
-    "@junobuild/config": "^2.0.0",
+    "@junobuild/config": "^2.1.0",
     "@junobuild/vite-plugin": "^4.1.4",
     "@tailwindcss/postcss": "^4.1.10",
     "@tailwindcss/vite": "^4.1.10",