diff --git a/README.md b/README.md
index ead8b02..d5c30e1 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 </h4>
 <br>
 <a href="https://github.com/devxb/gitanimals">
-    <img src="docs/sample.svg"/>
+    <img alt="docs/sample.svg" src="https://render.gitanimals.org/farms/devxb"/>
 </a>
 </div>
 
@@ -59,7 +59,7 @@
 
 ### 등장 가능한 펫들
 
-<img alt="docs/pets.svg" src="https://render.gitanimals.org/farms/devxb"/>
+<img alt="docs/pets.svg" src="docs/pets.svg"/>
 
 ##
 
diff --git a/src/main/kotlin/org/gitanimals/render/controller/AnimationController.kt b/src/main/kotlin/org/gitanimals/render/controller/AnimationController.kt
index 96e8813..56afc4e 100644
--- a/src/main/kotlin/org/gitanimals/render/controller/AnimationController.kt
+++ b/src/main/kotlin/org/gitanimals/render/controller/AnimationController.kt
@@ -2,8 +2,6 @@ package org.gitanimals.render.controller
 
 import jakarta.servlet.http.HttpServletResponse
 import org.gitanimals.render.app.AnimationFacade
-import org.springframework.http.HttpHeaders
-import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.RequestMapping
@@ -16,8 +14,16 @@ class AnimationController(
 ) {
 
     @GetMapping(value = ["/{username}"], produces = ["image/svg+xml"])
-    fun getSvgAnimation(@PathVariable("username") username: String, response: HttpServletResponse): String {
-        response.setHeader(HttpHeaders.CACHE_CONTROL, "max-age=1")
+    fun getSvgAnimation(
+        @PathVariable("username") username: String,
+        response: HttpServletResponse
+    ): String {
+        response.noCache()
         return animationFacade.getSvgAnimationByUsername(username)
     }
+
+    fun HttpServletResponse.noCache(): HttpServletResponse {
+        this.setHeader("Cache-Control", "no-cache, no-store, must-revalidate")
+        return this
+    }
 }