diff --git a/conversational-ai4j-demo/build.gradle b/conversational-ai4j-demo/build.gradle
index 4cec422..8c25ca5 100644
--- a/conversational-ai4j-demo/build.gradle
+++ b/conversational-ai4j-demo/build.gradle
@@ -25,7 +25,7 @@ dependencies {
   testImplementation 'org.jsoup:jsoup:1.22.1'
 
   // Testcontainers for Docker integration tests
-  testImplementation 'org.testcontainers:testcontainers:1.21.4'
+  testImplementation 'org.testcontainers:testcontainers:2.0.3'
   testImplementation 'org.testcontainers:junit-jupiter:1.21.4'
 
   // Playwright for E2E testing