diff --git a/ssrf-guard-okhttp-demo/build.gradle.kts b/ssrf-guard-okhttp-demo/build.gradle.kts
index 53ef3b2..26a1e5d 100644
--- a/ssrf-guard-okhttp-demo/build.gradle.kts
+++ b/ssrf-guard-okhttp-demo/build.gradle.kts
@@ -23,7 +23,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-web")
 
     implementation("kr.devslab:ssrf-guard-okhttp:3.1.0")
-    implementation("com.squareup.okhttp3:okhttp:4.12.0")
+    implementation("com.squareup.okhttp3:okhttp:5.4.0")
 
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")