diff --git a/singer/pom.xml b/singer/pom.xml
index d6da3919..33f26f5b 100644
--- a/singer/pom.xml
+++ b/singer/pom.xml
@@ -177,7 +177,7 @@
 		<dependency>
             <groupId>org.apache.pulsar</groupId>
             <artifactId>pulsar-client</artifactId>
-            <version>2.3.2</version>
+            <version>2.5.1</version>
         </dependency>
         <dependency>
             <groupId>org.mockito</groupId>