diff --git a/packages/app/components/i18n/localeFlags.ts b/packages/app/components/i18n/localeFlags.ts
index a3e256f..3e12eaa 100644
--- a/packages/app/components/i18n/localeFlags.ts
+++ b/packages/app/components/i18n/localeFlags.ts
@@ -9,6 +9,7 @@ const localeToCountryCode: Record<string, string> = {
     sl: 'si',
     sr: 'rs',
     zh: 'cn',
+    cs: 'cz',
 };
 const SUPPORTED_LANGUAGES: string[] = Object.keys(supportedLocales);
 
diff --git a/packages/scripts/i18n-crowdin.ts b/packages/scripts/i18n-crowdin.ts
index 341f170..ffde16c 100644
--- a/packages/scripts/i18n-crowdin.ts
+++ b/packages/scripts/i18n-crowdin.ts
@@ -52,6 +52,7 @@ const LOCALES_MAP: Record<string, string> = {
  */
 const NATIVE_NAMES_MAP: Record<string, string> = {
     be: 'Беларуская',
+    cs: 'Čeština',
     id: 'Bahasa Indonesia',
     lt: 'Lietuvių',
     pl: 'Polski',