diff --git a/cmd/main.go b/cmd/main.go
index 98bb35e..5b0f127 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -1,7 +1,7 @@
 // Package main provides the entry point for the Sulawesi Tengah COVID-19 Data API
 //
 //	@title			Sulawesi Tengah COVID-19 Data API
-//	@version		2.8.0
+//	@version		2.9.0
 //	@description	A comprehensive REST API for COVID-19 data in Sulawesi Tengah (Central Sulawesi), with additional national and provincial data for context. Features enhanced ODP/PDP grouping, hybrid pagination, and rate limiting protection. Rate limiting: 100 requests per minute per IP address by default, with appropriate HTTP headers for client guidance.
 //	@termsOfService	http://swagger.io/terms/
 //
diff --git a/internal/handler/covid_handler.go b/internal/handler/covid_handler.go
index b20b24f..8c48d23 100644
--- a/internal/handler/covid_handler.go
+++ b/internal/handler/covid_handler.go
@@ -350,7 +350,7 @@ func (h *CovidHandler) HealthCheck(w http.ResponseWriter, r *http.Request) {
 	health := map[string]interface{}{
 		"status":    "healthy",
 		"service":   "COVID-19 API",
-		"version": "2.8.0",
+		"version": "2.9.0",
 		"timestamp": time.Now().UTC().Format(time.RFC3339),
 	}
 
@@ -459,7 +459,7 @@ func (h *CovidHandler) GetAPIIndex(w http.ResponseWriter, r *http.Request) {
 	endpoints := map[string]interface{}{
 		"api": map[string]interface{}{
 			"title":       "Sulawesi Tengah COVID-19 Data API",
-			"version": "2.8.0",
+			"version": "2.9.0",
 			"description": "A comprehensive REST API for COVID-19 data in Sulawesi Tengah (Central Sulawesi)",
 		},
 		"documentation": map[string]interface{}{
diff --git a/internal/handler/covid_handler_test.go b/internal/handler/covid_handler_test.go
index 93427de..14831cf 100644
--- a/internal/handler/covid_handler_test.go
+++ b/internal/handler/covid_handler_test.go
@@ -645,7 +645,7 @@ func TestCovidHandler_GetAPIIndex(t *testing.T) {
 	apiInfo, ok := data["api"].(map[string]interface{})
 	assert.True(t, ok)
 	assert.Equal(t, "Sulawesi Tengah COVID-19 Data API", apiInfo["title"])
-	assert.Equal(t, "2.8.0", apiInfo["version"])
+	assert.Equal(t, "2.9.0", apiInfo["version"])
 
 	// Verify endpoints structure
 	endpoints, ok := data["endpoints"].(map[string]interface{})
@@ -676,7 +676,7 @@ func TestCovidHandler_HealthCheck(t *testing.T) {
 	assert.True(t, ok)
 	assert.Equal(t, "degraded", data["status"])
 	assert.Equal(t, "COVID-19 API", data["service"])
-	assert.Equal(t, "2.8.0", data["version"])
+	assert.Equal(t, "2.9.0", data["version"])
 	assert.Contains(t, data, "database")
 
 	dbData, ok := data["database"].(map[string]interface{})