diff --git a/i18n/english.js b/i18n/english.js
index d08251c0..9d1aa34f 100644
--- a/i18n/english.js
+++ b/i18n/english.js
@@ -103,7 +103,9 @@ const ui = {
       vulnerabilities: "vulnerabilities (CVE)",
       licenses: "licenses conformance (SPDX)",
       dark: "dark",
-      light: "light"
+      light: "light",
+      fr: "french",
+      en: "english"
     },
     title: {
       maintainers: "maintainers",
@@ -182,8 +184,9 @@ const ui = {
     general: {
       title: "General",
       save: "save",
-      defaultPannel: "Default Package Menu",
-      themePannel: "Interface theme",
+      defaultPanel: "Default Package Menu",
+      themePanel: "Interface theme",
+      langPanel: "Interface language",
       warnings: "SAST Warnings to ignore",
       flags: "Flags (emojis) to ignore",
       network: "Network",
diff --git a/i18n/french.js b/i18n/french.js
index 8a070902..3de10617 100644
--- a/i18n/french.js
+++ b/i18n/french.js
@@ -81,7 +81,7 @@ const cli = {
   startHttp: {
     invalidScannerVersion: tS`le fichier d'analyse correspond à la version '${0}' du scanner et ne satisfait pas la range '${1}' attendu par la CLI`,
     regenerate: "veuillez re-générer un nouveau fichier d'analyse JSON en utilisant votre CLI"
-  },
+  }
 };
 
 const ui = {
@@ -103,7 +103,9 @@ const ui = {
       vulnerabilities: "vulnérabilités",
       licenses: "conformité des licences (SPDX)",
       dark: "sombre",
-      light: "clair"
+      light: "clair",
+      fr: "français",
+      en: "anglais"
     },
     title: {
       maintainers: "mainteneurs",
@@ -182,8 +184,9 @@ const ui = {
     general: {
       title: "Général",
       save: "sauvegarder",
-      defaultPannel: "Panneau par défaut",
-      themePannel: "Thème de l'interface",
+      defaultPanel: "Panneau par défaut",
+      themePanel: "Thème de l'interface",
+      langPanel: "Langue de l'interface",
       warnings: "Avertissements à ignorer",
       flags: "Drapeau (emojis) à ignorer",
       network: "Réseau",
diff --git a/public/components/views/settings/settings.js b/public/components/views/settings/settings.js
index f0139a0d..29d11be2 100644
--- a/public/components/views/settings/settings.js
+++ b/public/components/views/settings/settings.js
@@ -39,6 +39,7 @@ export class Settings {
       /** @type {HTMLInputElement} */
       showFriendlyDependenciesCheckbox: document.querySelector("#show-friendly"),
       themeSelector: document.querySelector("#theme_selector"),
+      langSelector: document.querySelector("#lang_selector"),
       disableExternalRequestsCheckbox: document.querySelector("#disable-external")
     };
 
@@ -52,6 +53,7 @@ export class Settings {
       ...this.dom.flagsCheckbox,
       this.dom.showFriendlyDependenciesCheckbox,
       this.dom.themeSelector,
+      this.dom.langSelector,
       this.dom.disableExternalRequestsCheckbox
     ];
     for (const formField of formFields) {
@@ -203,7 +205,8 @@ export class Settings {
       ignore: { flags: new Set(), warnings: new Set() },
       showFriendlyDependencies: this.dom.showFriendlyDependenciesCheckbox.checked,
       theme: this.dom.themeSelector.value,
-      disableExternalRequests: this.dom.disableExternalRequestsCheckbox.checked
+      disableExternalRequests: this.dom.disableExternalRequestsCheckbox.checked,
+      lang: this.dom.langSelector.value
     };
 
     for (const checkbox of this.dom.warningsCheckbox) {
@@ -228,15 +231,21 @@ export class Settings {
         "content-type": "application/json"
       }
     });
-    this.config = newConfig;
+    this.config = { ...newConfig, lang: this.config.lang };
     this.saveButton.classList.add("disabled");
 
-    window.dispatchEvent(new CustomEvent("settings-saved", { detail: this.config }));
+    window.dispatchEvent(new CustomEvent("settings-saved", {
+      detail: {
+        ...this.config,
+        lang: newConfig.lang
+      }
+    }));
   }
 
   updateSettings() {
     this.dom.defaultPackageMenu.value = this.config.defaultPackageMenu;
     this.dom.themeSelector.value = this.config.theme;
+    this.dom.langSelector.value = this.config.lang;
 
     const warnings = new Set(this.config.ignore.warnings);
     const flags = new Set(this.config.ignore.flags);
diff --git a/public/main.js b/public/main.js
index 8e0ebfc6..b5e3d548 100644
--- a/public/main.js
+++ b/public/main.js
@@ -209,15 +209,21 @@ async function updateShowInfoMenu(params) {
 function onSettingsSaved(defaultConfig = null) {
   async function updateSettings(config) {
     console.log("[INFO] Settings saved:", config);
+    if (window.settings.config.lang !== config.lang) {
+      window.location.reload();
+    }
+
     const warningsToIgnore = new Set(config.ignore.warnings);
     const flagsToIgnore = new Set(config.ignore.flags);
     const theme = config.theme;
+    const lang = config.lang;
     secureDataSet.warningsToIgnore = warningsToIgnore;
     secureDataSet.flagsToIgnore = flagsToIgnore;
     secureDataSet.theme = theme;
     window.settings.config.ignore.warnings = warningsToIgnore;
     window.settings.config.ignore.flags = flagsToIgnore;
     window.settings.config.theme = theme;
+    window.settings.config.lang = lang;
     window.settings.config.disableExternalRequests = config.disableExternalRequests;
 
     if (theme === "dark") {
diff --git a/src/commands/lang.js b/src/commands/lang.js
index 25f2af76..df6573fa 100644
--- a/src/commands/lang.js
+++ b/src/commands/lang.js
@@ -1,5 +1,6 @@
 // Import Third-party Dependencies
 import * as i18n from "@nodesecure/i18n";
+import { appCache } from "@nodesecure/cache";
 import { select } from "@topcli/prompts";
 import kleur from "kleur";
 
@@ -15,6 +16,20 @@ export async function set() {
   await i18n.setLocalLang(selectedLang);
   await i18n.getLocalLang();
 
+  try {
+    const config = await appCache.getConfig();
+
+    if (config) {
+      await appCache.updateConfig({
+        ...config,
+        lang: selectedLang
+      });
+    }
+  }
+  catch {
+    // Config does not exist, do nothing
+  }
+
   console.log(
     kleur.white().bold(`\n ${i18n.getTokenSync("cli.commands.lang.new_selection", kleur.yellow().bold(selectedLang))}`)
   );
diff --git a/views/index.html b/views/index.html
index caead651..1bc3ebc6 100644
--- a/views/index.html
+++ b/views/index.html
@@ -121,6 +121,11 @@ <h1><i class="icon-cog"></i>[[=z.token('settings.general.title')]]</h1>
             <option value="dark">[[=z.token('package_info.navigation.dark')]]</option>
             <option value="light">[[=z.token('package_info.navigation.light')]]</option>
           </select>
+          <label for="lang_selector" class="mt-10">[[=z.token('settings.general.langPannel')]]:</label>
+          <select name="langSelector" id="lang_selector">
+            <option value="french">[[=z.token('package_info.navigation.fr')]]</option>
+            <option value="english">[[=z.token('package_info.navigation.en')]]</option>
+          </select>
           <p class="settings-line-title">[[=z.token('settings.general.network')]]:</p>
           <div>
             <input type="checkbox" id="show-friendly" name="show-friendly" />
diff --git a/workspaces/server/src/config.js b/workspaces/server/src/config.js
index a96fe8b2..69f46460 100644
--- a/workspaces/server/src/config.js
+++ b/workspaces/server/src/config.js
@@ -1,6 +1,7 @@
 // Import Third-party Dependencies
 import { warnings } from "@nodesecure/js-x-ray";
 import { appCache } from "@nodesecure/cache";
+import * as i18n from "@nodesecure/i18n";
 
 // Import Internal Dependencies
 import { logger } from "./logger.js";
@@ -16,6 +17,7 @@ const kDefaultConfig = {
 };
 
 export async function get() {
+  const localLang = await i18n.getLocalLang();
   try {
     const config = await appCache.getConfig();
 
@@ -26,7 +28,8 @@ export async function get() {
         warnings
       } = {},
       theme,
-      disableExternalRequests = false
+      disableExternalRequests = false,
+      lang = localLang
     } = config;
     logger.info(
       // eslint-disable-next-line @stylistic/max-len
@@ -40,7 +43,8 @@ export async function get() {
         warnings
       },
       theme,
-      disableExternalRequests
+      disableExternalRequests,
+      lang
     };
   }
   catch (err) {
@@ -50,7 +54,7 @@ export async function get() {
 
     logger.info(`[config|get](fallback to default: ${JSON.stringify(kDefaultConfig)})`);
 
-    return kDefaultConfig;
+    return { ...kDefaultConfig, lang: localLang };
   }
 }
 
@@ -66,4 +70,11 @@ export async function set(newValue) {
 
     throw err;
   }
+
+  const i18nLocalLang = await i18n.getLocalLang();
+  if (i18nLocalLang !== newValue.lang) {
+    logger.info(`[config|set](updating i18n lang to: ${newValue.lang})`);
+    await i18n.setLocalLang(newValue.lang);
+    await i18n.getLanguages();
+  }
 }
diff --git a/workspaces/server/test/config.test.js b/workspaces/server/test/config.test.js
index 03d4d2a8..d8c5c330 100644
--- a/workspaces/server/test/config.test.js
+++ b/workspaces/server/test/config.test.js
@@ -6,6 +6,7 @@ import assert from "node:assert";
 import cacache from "cacache";
 import { warnings } from "@nodesecure/js-x-ray";
 import { CACHE_PATH } from "@nodesecure/cache";
+import * as i18n from "@nodesecure/i18n";
 
 // Import Internal Dependencies
 import { get, set } from "../src/config.js";
@@ -17,6 +18,7 @@ describe("config", () => {
   let actualConfig;
 
   before(async() => {
+    await i18n.getLanguages();
     actualConfig = await get();
   });
 
@@ -33,7 +35,8 @@ describe("config", () => {
       ignore: { flags: [], warnings: Object.entries(warnings)
         .filter(([_, { experimental }]) => experimental)
         .map(([warning]) => warning) },
-      disableExternalRequests: false
+      disableExternalRequests: false,
+      lang: await i18n.getLocalLang()
     });
   });
 
@@ -44,6 +47,7 @@ describe("config", () => {
         flags: ["foo"],
         warnings: ["bar"]
       },
+      lang: "english",
       theme: "galaxy",
       disableExternalRequests: true
     };
@@ -60,6 +64,7 @@ describe("config", () => {
         flags: ["foz"],
         warnings: ["baz"]
       },
+      lang: "english",
       theme: "galactic",
       disableExternalRequests: true
     };
diff --git a/workspaces/server/test/httpServer.test.js b/workspaces/server/test/httpServer.test.js
index 65f7690b..8365a136 100644
--- a/workspaces/server/test/httpServer.test.js
+++ b/workspaces/server/test/httpServer.test.js
@@ -223,6 +223,7 @@ describe("httpServer", { concurrency: 1 }, () => {
         flags: ["foo"],
         warnings: ["bar"]
       },
+      lang: "english",
       theme: "galaxy",
       disableExternalRequests: true
     };
@@ -240,19 +241,20 @@ describe("httpServer", { concurrency: 1 }, () => {
   });
 
   test("PUT '/config' should update the config", async() => {
+    const lang = await i18n.getLocalLang();
     const { data: actualConfig } = await get(new URL("/config", kHttpURL));
     // FIXME: use @mynusift/httpie instead of fetch. Atm it throws with put().
     // https://github.com/nodejs/undici/issues/583
     const { status } = await fetch(new URL("/config", kHttpURL), {
       method: "PUT",
-      body: JSON.stringify({ fooz: "baz" }),
+      body: JSON.stringify({ fooz: "baz", lang }),
       headers: { "Content-Type": "application/json" }
     });
 
     assert.equal(status, 204);
 
     const inCache = await cacache.get(CACHE_PATH, kConfigKey);
-    assert.deepEqual(JSON.parse(inCache.data.toString()), { fooz: "baz" });
+    assert.deepEqual(JSON.parse(inCache.data.toString()), { fooz: "baz", lang });
 
     await fetch(new URL("/config", kHttpURL), {
       method: "PUT",