diff --git a/src/main/java/com/going/server/domain/quiz/generate/PictureQuizGenerator.java b/src/main/java/com/going/server/domain/quiz/generate/PictureQuizGenerator.java
index ccccf91..d5d4a6b 100644
--- a/src/main/java/com/going/server/domain/quiz/generate/PictureQuizGenerator.java
+++ b/src/main/java/com/going/server/domain/quiz/generate/PictureQuizGenerator.java
@@ -64,7 +64,7 @@ public PictureQuizDto generate(Graph graph) {
                 prompt,
                 "dall-e-3",
                 "vivid",
-                "1024x1024",
+                "900x900",
                 1);
         String imageUrl = imageCreateService.generatePicture(requestDto);