diff --git a/src/hooks/useTimer.ts b/src/hooks/useTimer.ts
index 85d933e..a105ac4 100644
--- a/src/hooks/useTimer.ts
+++ b/src/hooks/useTimer.ts
@@ -3,6 +3,7 @@ import { StopwatchState } from '@/types/StopwatchState'
 import { notify } from '@/utils/notification'
 import { useInterval } from './useInterval'
 import { useWakeLock } from './useWakeLock'
+import i18n from '@/i18n'
 
 const format = (num: number) => {
   return num.toString().padStart(2, '0')
@@ -48,8 +49,8 @@ export const useTimer = () => {
 
         const dev = isDev1Turn.value ? 'Dev 1' : 'Dev 2'
 
-        notify('Change!', {
-          body: `${dev}, your turn!`
+        notify(i18n.t('notification.change.title').toString(), {
+          body: i18n.t('notification.change.body', { dev }).toString()
         })
       }
     }, 1000)
diff --git a/src/locales/en.json b/src/locales/en.json
new file mode 100644
index 0000000..c34e0ec
--- /dev/null
+++ b/src/locales/en.json
@@ -0,0 +1,12 @@
+{
+  "notification": {
+    "update": {
+      "title": "An update is available!",
+      "body": "Reload the app to install the update."
+    },
+    "change": {
+      "title": "Change!",
+      "body": "{dev}, your turn"
+    }
+  }
+}
diff --git a/src/locales/fr.json b/src/locales/fr.json
new file mode 100644
index 0000000..9dbe92f
--- /dev/null
+++ b/src/locales/fr.json
@@ -0,0 +1,12 @@
+{
+  "notification": {
+    "update": {
+      "title": "Une mise à jour est disponible !",
+      "body": "Recharger l'application pour l'installer."
+    },
+    "change": {
+      "title": "Changement !",
+      "body": "À votre tour {dev}."
+    }
+  }
+}
diff --git a/src/registerServiceWorker.ts b/src/registerServiceWorker.ts
index acaae25..e3429ba 100644
--- a/src/registerServiceWorker.ts
+++ b/src/registerServiceWorker.ts
@@ -2,6 +2,7 @@
 
 import { register } from 'register-service-worker'
 import { setNotificationInstance, notify } from './utils/notification'
+import i18n from '@/i18n'
 
 if (process.env.NODE_ENV === 'production') {
   register(`${process.env.BASE_URL}service-worker.js`, {
@@ -30,8 +31,8 @@ if (process.env.NODE_ENV === 'production') {
       setNotificationInstance((title, options?) =>
         sw.showNotification(title, options)
       )
-      notify('An update is available!', {
-        body: `Reload the app to install the update.`,
+      notify(i18n.t('notification.update.title').toString(), {
+        body: i18n.t('notification.update.body').toString(),
         tag: 'new-version'
       })
     },