diff --git a/spring-pulsar-dependencies/build.gradle b/spring-pulsar-dependencies/build.gradle
index 41728008..8c1ce873 100644
--- a/spring-pulsar-dependencies/build.gradle
+++ b/spring-pulsar-dependencies/build.gradle
@@ -26,7 +26,7 @@ dependencies {
 		api "com.google.protobuf:protobuf-java:$protobufJavaVersion"
 		api "org.apache.pulsar:pulsar-client-all:$pulsarVersion"
 		api "org.apache.pulsar:pulsar-client-reactive-adapter:$pulsarClientReactiveVersion"
-		api "org.apache.pulsar:pulsar-client-reactive-producer-cache-caffeine:$pulsarClientReactiveVersion"
+		api "org.apache.pulsar:pulsar-client-reactive-producer-cache-caffeine-shaded:$pulsarClientReactiveVersion"
 		api "org.springframework.cloud:spring-cloud-stream:$springCloudStreamVersion"
 		api "org.springframework.cloud:spring-cloud-stream-test-support:$springCloudStreamVersion"
 		api "org.springframework.pulsar:spring-pulsar-spring-boot-starter:$springPulsarStarterVersion"
diff --git a/spring-pulsar-reactive/build.gradle b/spring-pulsar-reactive/build.gradle
index 261ec536..d1ca9873 100644
--- a/spring-pulsar-reactive/build.gradle
+++ b/spring-pulsar-reactive/build.gradle
@@ -7,7 +7,15 @@ description = 'Spring Pulsar Reactive Support'
 
 dependencies {
 	api project (':spring-pulsar')
-	api 'org.apache.pulsar:pulsar-client-reactive-adapter'
+	api ('org.apache.pulsar:pulsar-client-reactive-adapter') {
+		// spring-pulsar includes a pulsar-client with its unwanted transitive deps excluded
+		exclude group: "org.apache.pulsar", module: "pulsar-client"
+	}
+	api("org.apache.pulsar:pulsar-client-reactive-producer-cache-caffeine-shaded") {
+		// (above) we include a pulsar-client-reactive-adapter whose pulsar-client with
+		// unwanted transitive deps excluded
+		exclude group: "org.apache.pulsar", module: "pulsar-client-reactive-adapter"
+	}
 	implementation 'com.fasterxml.jackson.core:jackson-core'
 	implementation 'com.fasterxml.jackson.core:jackson-databind'
 	implementation 'com.google.code.findbugs:jsr305'
@@ -17,7 +25,6 @@ dependencies {
 	optional 'com.google.protobuf:protobuf-java'
 	optional 'com.jayway.jsonpath:json-path'
 	optional 'io.projectreactor:reactor-core'
-	optional 'org.apache.pulsar:pulsar-client-reactive-producer-cache-caffeine'
 
 	testImplementation project(':spring-pulsar-test')
 	testRuntimeOnly 'ch.qos.logback:logback-classic'