diff --git a/apps/client/src/widgets/view_widgets/calendar_view.ts b/apps/client/src/widgets/view_widgets/calendar_view.ts
index e4ddc9e78..d49caa528 100644
--- a/apps/client/src/widgets/view_widgets/calendar_view.ts
+++ b/apps/client/src/widgets/view_widgets/calendar_view.ts
@@ -676,6 +676,8 @@ export async function getFullCalendarLocale(locale: string) {
             return (await import("@fullcalendar/core/locales/ru")).default;
         case "ja":
             return (await import("@fullcalendar/core/locales/ja")).default;
+        case "uk":
+            return (await import("@fullcalendar/core/locales/uk")).default;
         case "en":
         default:
             return undefined;
diff --git a/apps/server/src/services/i18n.ts b/apps/server/src/services/i18n.ts
index 8b4408196..beb443a19 100644
--- a/apps/server/src/services/i18n.ts
+++ b/apps/server/src/services/i18n.ts
@@ -16,11 +16,12 @@ const DAYJS_LOADER: Record<LOCALE_IDS, () => Promise<typeof import("dayjs/locale
     "fa": () => import("dayjs/locale/fa.js"),
     "fr": () => import("dayjs/locale/fr.js"),
     "he": () => import("dayjs/locale/he.js"),
+    "ja": () => import("dayjs/locale/ja.js"),
     "ku": () => import("dayjs/locale/ku.js"),
     "ro": () => import("dayjs/locale/ro.js"),
     "ru": () => import("dayjs/locale/ru.js"),
     "tw": () => import("dayjs/locale/zh-tw.js"),
-    "ja": () => import("dayjs/locale/ja.js")
+    "uk": () => import("dayjs/locale/uk.js"),
 }
 
 export async function initializeTranslations() {
diff --git a/packages/commons/src/lib/i18n.ts b/packages/commons/src/lib/i18n.ts
index 9ffa60545..ad0462c79 100644
--- a/packages/commons/src/lib/i18n.ts
+++ b/packages/commons/src/lib/i18n.ts
@@ -50,6 +50,11 @@ const UNSORTED_LOCALES: Locale[] = [
         name: "Русский",
         electronLocale: "ru"
     },
+    {
+        id: "uk",
+        name: "Українська",
+        electronLocale: "uk"
+    },
     {
         id: "ja",
         name: "日本語",