diff --git a/backend/build.gradle b/backend/build.gradle
index 5d66840..64be97d 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -33,9 +33,9 @@ dependencies {
 	testImplementation 'io.projectreactor:reactor-test' // Add this for StepVerifier
 
 	// Test containers
-	testImplementation platform('org.testcontainers:testcontainers-bom:1.21.4')
-	testImplementation 'org.testcontainers:junit-jupiter:1.21.4'
-	testImplementation 'org.testcontainers:mongodb:1.21.4'
+	testImplementation platform('org.testcontainers:testcontainers-bom:2.0.5')
+	testImplementation 'org.testcontainers:testcontainers-junit-jupiter'
+	testImplementation 'org.testcontainers:testcontainers-mongodb'
 	// end::tests[]
 
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
diff --git a/backend/src/test/java/com/ssechat/controller/ChatMessageControllerTest.java b/backend/src/test/java/com/ssechat/controller/ChatMessageControllerTest.java
index 2067750..4280b15 100755
--- a/backend/src/test/java/com/ssechat/controller/ChatMessageControllerTest.java
+++ b/backend/src/test/java/com/ssechat/controller/ChatMessageControllerTest.java
@@ -14,7 +14,7 @@
 import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.test.web.reactive.server.WebTestClient;
 import org.springframework.web.reactive.function.BodyInserters;
-import org.testcontainers.containers.MongoDBContainer;
+import org.testcontainers.mongodb.MongoDBContainer;
 import org.testcontainers.junit.jupiter.Container;
 import org.testcontainers.junit.jupiter.Testcontainers;
 import org.testcontainers.utility.DockerImageName;