diff --git a/apps/browser-extension/src/i18n/locales/en.json b/apps/browser-extension/src/i18n/locales/en.json
index 8454a049b..bedeb1b32 100644
--- a/apps/browser-extension/src/i18n/locales/en.json
+++ b/apps/browser-extension/src/i18n/locales/en.json
@@ -92,6 +92,7 @@
       "VaultOutdated": "Your vault is outdated. Please login on the AliasVault website and follow the steps.",
       "serverNotAvailable": "The AliasVault server is not available. Please try again later or contact support if the problem persists.",
       "clientVersionNotSupported": "This version of the AliasVault browser extension is not supported by the server anymore. Please update your browser extension to the latest version.",
+      "browserExtensionOutdated": "This browser extension is outdated and cannot be used to access this vault. Please update this browser extension to continue.",
       "serverVersionNotSupported": "The AliasVault server needs to be updated to a newer version in order to use this browser extension. Please contact support if you need help.",
       "unknownError": "An unknown error occurred",
       "failedToStoreVault": "Failed to store vault",
diff --git a/apps/mobile-app/i18n/locales/en.json b/apps/mobile-app/i18n/locales/en.json
index 2539171c5..1fbef3c9e 100644
--- a/apps/mobile-app/i18n/locales/en.json
+++ b/apps/mobile-app/i18n/locales/en.json
@@ -80,6 +80,7 @@
       "operationFailed": "Operation failed",
       "versionNotSupported": "This version of the AliasVault mobile app is not supported by the server anymore. Please update your app to the latest version.",
       "serverNeedsUpdate": "The AliasVault server needs to be updated to a newer version in order to use this mobile app. Please contact support if you need help.",
+      "appOutdated": "This app is outdated and cannot be used to access this vault. Please update this app to continue.",
       "vaultDecryptFailed": "Vault could not be decrypted, if the problem persists please logout and login again.",
       "passwordChanged": "Your password has changed since the last time you logged in. Please login again for security reasons."
     }