diff --git a/packages/calcite-components/src/components/input-date-picker/input-date-picker.e2e.ts b/packages/calcite-components/src/components/input-date-picker/input-date-picker.e2e.ts
index 367743f537b..b718cbeb200 100644
--- a/packages/calcite-components/src/components/input-date-picker/input-date-picker.e2e.ts
+++ b/packages/calcite-components/src/components/input-date-picker/input-date-picker.e2e.ts
@@ -650,7 +650,7 @@ describe("calcite-input-date-picker", () => {
       });
 
       it("handles Bosnian locale", async () => {
-        await testLocaleDateSelection("bs", "01.05.2023.");
+        await testLocaleDateSelection("bs", "1. 5. 2023.");
       });
 
       it("handles Italian (Switzerland) locale", async () => {
diff --git a/packages/calcite-components/src/utils/locale.spec.ts b/packages/calcite-components/src/utils/locale.spec.ts
index e4d9ba3a0f8..6804f4c1291 100644
--- a/packages/calcite-components/src/utils/locale.spec.ts
+++ b/packages/calcite-components/src/utils/locale.spec.ts
@@ -248,8 +248,8 @@ describe("getDateFormatSupportedLocale", () => {
       assertLocaleMapping("it-CH", "de-CH");
     });
 
-    it("maps `bs` to `bs-Cyrl`", () => {
-      assertLocaleMapping("bs", "bs-Cyrl");
+    it("maps `bs` to `sr-Latn-CS`", () => {
+      assertLocaleMapping("bs", "sr-Latn-CS");
     });
 
     it("maps `en` to `en`", () => {
diff --git a/packages/calcite-components/src/utils/locale.ts b/packages/calcite-components/src/utils/locale.ts
index 75d1305841e..1bca0cdecb2 100644
--- a/packages/calcite-components/src/utils/locale.ts
+++ b/packages/calcite-components/src/utils/locale.ts
@@ -170,7 +170,7 @@ export function getDateFormatSupportedLocale(locale: string): string {
     case "it-CH":
       return "de-CH";
     case "bs":
-      return "bs-Cyrl";
+      return "sr-Latn-CS";
     default:
       return locale;
   }