diff --git a/embedded-pulsar/pom.xml b/embedded-pulsar/pom.xml
index 124a63c4c..f20d4449d 100644
--- a/embedded-pulsar/pom.xml
+++ b/embedded-pulsar/pom.xml
@@ -14,7 +14,7 @@
     <artifactId>embedded-pulsar</artifactId>
 
     <properties>
-        <pulsar-clients.version>3.3.1</pulsar-clients.version>
+        <pulsar-clients.version>4.0.0-preview.1</pulsar-clients.version>
     </properties>
 
     <dependencies>