diff --git a/binders/pulsar-binder/spring-cloud-stream-binder-pulsar/pom.xml b/binders/pulsar-binder/spring-cloud-stream-binder-pulsar/pom.xml
index 17a162f403..d088ec6a14 100644
--- a/binders/pulsar-binder/spring-cloud-stream-binder-pulsar/pom.xml
+++ b/binders/pulsar-binder/spring-cloud-stream-binder-pulsar/pom.xml
@@ -36,7 +36,7 @@
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>junit-jupiter</artifactId>
-			<version>1.17.6</version>
+			<version>1.21.4</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>