diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/utils/ImageBlurUtil.kt b/src/main/kotlin/kr/co/vividnext/sodalive/utils/ImageBlurUtil.kt
index 6b1d066..31f030d 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/utils/ImageBlurUtil.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/utils/ImageBlurUtil.kt
@@ -12,7 +12,7 @@ import kotlin.math.min
  * - 수평/수직 분리 합성곱으로 품질과 성능 확보
  */
 object ImageBlurUtil {
-    fun blur(src: BufferedImage, radius: Int = 10): BufferedImage {
+    fun blur(src: BufferedImage, radius: Int = 50): BufferedImage {
         require(radius > 0) { "radius must be > 0" }
         val w = src.width
         val h = src.height