diff --git a/index.php b/index.php
index 9b5d924..23daaa4 100644
--- a/index.php
+++ b/index.php
@@ -9,9 +9,9 @@
 				<p class="ff-sd5">고객만족을 위해 최상의 솔루션을 제공합니다.</p>
 			</div>
 			<ul class="mainSlide">
-				<li class="item"><img src="images/main/visual1.jpg" alt=""></li>
-				<li class="item"><img src="images/main/visual2.jpg" alt=""></li>
-				<li class="item"><img src="images/main/visual3.jpg" alt=""></li>
+				<li class="item"><img src="images/main/visual1.webp" alt=""></li>
+				<li class="item"><img src="images/main/visual2.webp" alt=""></li>
+				<li class="item"><img src="images/main/visual3.webp" alt=""></li>
 			</ul>
 		</div>
 	</div>