diff --git a/README.md b/README.md
index b694b3d..8bddea7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 <p align="center">
-    <i>🚀 A starter/demo project for <a href="https://keycloakify.dev">Keycloakify</a> v8 🚀</i>
+    <i>🚀 A starter/demo project for <a href="https://keycloakify.dev">Keycloakify</a> v9 🚀</i>
     <br/>
     <br/>
     <img src="https://github.com/codegouvfr/keycloakify-starter/workflows/ci/badge.svg?branch=main">
diff --git a/package.json b/package.json
index c3b8ce7..6050665 100755
--- a/package.json
+++ b/package.json
@@ -15,12 +15,11 @@
         "storybook": "start-storybook -p 6006"
     },
     "keycloakify": {
-        "extraThemeProperties": [ 
-            "foo=bar"
-        ],
-        "extraThemeNames": [
+        "themeName": [
+            "keycloakify-starter",
             "keycloakify-starter-variant-1"
-        ]
+        ],
+        "doCreateJar": true
     },
     "author": "u/garronej",
     "license": "MIT",
@@ -28,7 +27,7 @@
     "dependencies": {
         "evt": "^2.4.15",
         "oidc-spa": "^2.0.2",
-        "keycloakify": "^8.4.0",
+        "keycloakify": "9.0.0-rc.0",
         "powerhooks": "^0.26.8",
         "react": "18.1.0",
         "react-dom": "18.1.0",
diff --git a/yarn.lock b/yarn.lock
index acd153d..32d91cd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9760,10 +9760,19 @@ jwt-decode@^3.1.2:
   resolved "https://registry.yarnpkg.com/jwt-decode/-/jwt-decode-3.1.2.tgz#3fb319f3675a2df0c2895c8f5e9fa4b67b04ed59"
   integrity sha512-UfpWE/VZn0iP50d8cz9NrZLM9lSWhcJ+0Gt/nm4by88UL+J1SiKN8/5dkjMmbEzwL2CAe+67GsegCbIKtbp75A==
 
-keycloakify@^8.4.0:
-  version "8.4.0"
-  resolved "https://registry.yarnpkg.com/keycloakify/-/keycloakify-8.4.0.tgz#62f25c4f3e7701de9daf894192e2d38879cd2893"
-  integrity sha512-mZ6HXRZkkhFdQvK/mMMTDwrJ3cBzS85skcs/r3xvYT+P06EoLVfG8KBQuyy9IOdke+0ZHjylDV4E4UvWVCqPGw==
+keycloak-js@^21.0.1:
+  version "21.0.2"
+  resolved "https://registry.yarnpkg.com/keycloak-js/-/keycloak-js-21.0.2.tgz#1d3c2079d3c23850df4f253a868926861c51c488"
+  integrity sha512-i05i3VBPhQ867EgjA+OYPlf8YUPiUwtrU2zv4j8tvZIdRvhJY8f+mp1ZvRJl/GMRb+XhJs9BDknyBMrIspwDkw==
+  dependencies:
+    base64-js "^1.5.1"
+    js-sha256 "^0.9.0"
+
+keycloakify@9.0.0-rc.0:
+  version "9.0.0-rc.0"
+  resolved "https://registry.yarnpkg.com/keycloakify/-/keycloakify-9.0.0-rc.0.tgz#8982f96ef8fc0ce33b6d3aff7b1225a1f4baeeec"
+  integrity sha512-z+D1NQIpWN20i8D3h2IHBSZKpuVMWNjRmKFJMjTOHh5uIeHiPJm/yAT7PtqOw/hRGH/xgNk5J1q2hZf+sFCfiw==
+
   dependencies:
     "@babel/generator" "^7.22.9"
     "@babel/parser" "^7.22.7"