diff --git a/gradle.properties b/gradle.properties
index 011d26c4..29e6fdb9 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx4g -XX:+HeapDumpOnOutOfMemoryError -XX:+UseParallelGC -Dfile.encoding=UTF-8
 
 pulsarClientVersion=3.1.0
-pulsarClientReactiveVersion=0.3.0
+pulsarClientReactiveVersion=0.4.0
 springFrameworkVersion=6.1.0-M5
 
 # only used by docs, tests, and samples (unpublished deps)