diff --git a/spring-pulsar-dependencies/build.gradle b/spring-pulsar-dependencies/build.gradle
index c584084b..3b58e0e4 100644
--- a/spring-pulsar-dependencies/build.gradle
+++ b/spring-pulsar-dependencies/build.gradle
@@ -10,7 +10,7 @@ ext {
 	googleJsr305Version = '3.0.2'
 	protobufJavaVersion = '3.21.5'
 	testcontainersVersion = '1.17.6'
-	pulsarVersion = '2.10.2'
+	pulsarVersion = '2.10.3'
 	pulsarClientReactiveVersion = '0.1.0'
 	springBootVersion = '3.0.2'
 	springCloudStreamVersion = '4.0.1'
diff --git a/spring-pulsar-reactive/src/test/java/org/springframework/pulsar/core/PulsarTestContainerSupport.java b/spring-pulsar-reactive/src/test/java/org/springframework/pulsar/core/PulsarTestContainerSupport.java
index 1e77e70f..2198b8da 100644
--- a/spring-pulsar-reactive/src/test/java/org/springframework/pulsar/core/PulsarTestContainerSupport.java
+++ b/spring-pulsar-reactive/src/test/java/org/springframework/pulsar/core/PulsarTestContainerSupport.java
@@ -54,7 +54,7 @@ public interface PulsarTestContainerSupport {
 	}
 
 	private static DockerImageName getStandardPulsarImage() {
-		return DockerImageName.parse("apachepulsar/pulsar:2.10.1");
+		return DockerImageName.parse("apachepulsar/pulsar:2.10.3");
 	}
 
 	private static DockerImageName getMacM1PulsarImage() {
diff --git a/spring-pulsar-sample-apps/sample-pulsar-functions/download-connectors.sh b/spring-pulsar-sample-apps/sample-pulsar-functions/download-connectors.sh
index 7aa73a20..70d22ba7 100755
--- a/spring-pulsar-sample-apps/sample-pulsar-functions/download-connectors.sh
+++ b/spring-pulsar-sample-apps/sample-pulsar-functions/download-connectors.sh
@@ -2,6 +2,6 @@
 
 mkdir connectors
 cd connectors
-wget https://archive.apache.org/dist/pulsar/pulsar-2.10.2/connectors/pulsar-io-cassandra-2.10.2.nar
-wget https://archive.apache.org/dist/pulsar/pulsar-2.10.2/connectors/pulsar-io-rabbitmq-2.10.2.nar
+wget https://archive.apache.org/dist/pulsar/pulsar-2.10.3/connectors/pulsar-io-cassandra-2.10.3.nar
+wget https://archive.apache.org/dist/pulsar/pulsar-2.10.3/connectors/pulsar-io-rabbitmq-2.10.3.nar
 cd ..
diff --git a/spring-pulsar-sample-apps/sample-pulsar-functions/sample-signup-function/build.gradle b/spring-pulsar-sample-apps/sample-pulsar-functions/sample-signup-function/build.gradle
index 82372f49..8a61f769 100644
--- a/spring-pulsar-sample-apps/sample-pulsar-functions/sample-signup-function/build.gradle
+++ b/spring-pulsar-sample-apps/sample-pulsar-functions/sample-signup-function/build.gradle
@@ -11,8 +11,8 @@ repositories {
 }
 
 dependencies {
-	implementation 'org.apache.pulsar:pulsar-client-all:2.10.2'
-	implementation 'org.apache.pulsar:pulsar-functions-api:2.10.2'
+	implementation 'org.apache.pulsar:pulsar-client-all:2.10.3'
+	implementation 'org.apache.pulsar:pulsar-functions-api:2.10.3'
 	compileOnly 'org.projectlombok:lombok:1.18.24'
 	annotationProcessor 'org.projectlombok:lombok:1.18.24'
 }
diff --git a/spring-pulsar-spring-boot-autoconfigure/build.gradle b/spring-pulsar-spring-boot-autoconfigure/build.gradle
index dbf13868..084863df 100644
--- a/spring-pulsar-spring-boot-autoconfigure/build.gradle
+++ b/spring-pulsar-spring-boot-autoconfigure/build.gradle
@@ -40,8 +40,8 @@ task downloadRabbitConnector {
 		try {
 			download.run {
 				println "Downloading Rabbit connector to 'src/test/resources/connectors/' (one time only if not already downloaded)..."
-				src 'https://archive.apache.org/dist/pulsar/pulsar-2.10.2/connectors/pulsar-io-rabbitmq-2.10.2.nar'
-				dest "$buildDir/../src/test/resources/connectors/pulsar-io-rabbitmq-2.10.2.nar"
+				src 'https://archive.apache.org/dist/pulsar/pulsar-2.10.3/connectors/pulsar-io-rabbitmq-2.10.3.nar'
+				dest "$buildDir/../src/test/resources/connectors/pulsar-io-rabbitmq-2.10.3.nar"
 				overwrite false
 			}
 		} catch (Exception ex) {
diff --git a/spring-pulsar-test/src/main/java/org/springframework/pulsar/test/support/PulsarTestContainerSupport.java b/spring-pulsar-test/src/main/java/org/springframework/pulsar/test/support/PulsarTestContainerSupport.java
index d8901740..9dab52d0 100644
--- a/spring-pulsar-test/src/main/java/org/springframework/pulsar/test/support/PulsarTestContainerSupport.java
+++ b/spring-pulsar-test/src/main/java/org/springframework/pulsar/test/support/PulsarTestContainerSupport.java
@@ -57,7 +57,7 @@ public interface PulsarTestContainerSupport {
 	}
 
 	private static DockerImageName getStandardPulsarImage() {
-		return DockerImageName.parse("apachepulsar/pulsar:2.10.1");
+		return DockerImageName.parse("apachepulsar/pulsar:2.10.3");
 	}
 
 	private static DockerImageName getMacM1PulsarImage() {
diff --git a/tools/pulsar/docker/standalone/pulsar-start.sh b/tools/pulsar/docker/standalone/pulsar-start.sh
index f95ca563..5797b620 100755
--- a/tools/pulsar/docker/standalone/pulsar-start.sh
+++ b/tools/pulsar/docker/standalone/pulsar-start.sh
@@ -3,5 +3,5 @@
 docker run -it -p 6650:6650 -p 8080:8080 \
   --mount source=pulsardata,target=/pulsar/data \
   --mount source=pulsarconf,target=/pulsar/conf \
-  apachepulsar/pulsar:2.10.1 \
+  apachepulsar/pulsar:2.10.3 \
   bin/pulsar standalone