diff --git a/monitoring-samples/task-apps/task-demo-metrics-prometheus/pom.xml b/monitoring-samples/task-apps/task-demo-metrics-prometheus/pom.xml
index e9bf05a..64ee12a 100644
--- a/monitoring-samples/task-apps/task-demo-metrics-prometheus/pom.xml
+++ b/monitoring-samples/task-apps/task-demo-metrics-prometheus/pom.xml
@@ -16,19 +16,19 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.6.3</version>
+		<version>2.7.11</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>io.spring.task</groupId>
 	<artifactId>task-demo-metrics-prometheus</artifactId>
-	<version>2.0.0-SNAPSHOT</version>
+	<version>2.0.1-SNAPSHOT</version>
 	<name>task-demo-metrics-prometheus</name>
 	<description>Demo project for Spring Boot</description>
 
 	<properties>
 		<java.version>1.8</java.version>
-		<prometheus-rsocket-spring.version>1.3.0</prometheus-rsocket-spring.version>
-		<spring-cloud-task-dependencies.version>2.4.0</spring-cloud-task-dependencies.version>
+		<prometheus-rsocket-spring.version>1.4.0</prometheus-rsocket-spring.version>
+		<spring-cloud-task-dependencies.version>2.4.5</spring-cloud-task-dependencies.version>
 	</properties>
 
 	<dependencies>
@@ -48,6 +48,11 @@
 			<artifactId>mariadb-java-client</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.postgresql</groupId>
+			<artifactId>postgresql</artifactId>
+			<scope>runtime</scope>
+		</dependency>
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
diff --git a/timestamp-batch/pom.xml b/timestamp-batch/pom.xml
index 9e09069..f565a3f 100644
--- a/timestamp-batch/pom.xml
+++ b/timestamp-batch/pom.xml
@@ -15,7 +15,7 @@
 	<description>Simple Timestamp sample.</description>
 
 	<properties>
-		<java.version>8</java.version>
+		<java.version>17</java.version>
 		<spring-cloud.version>2022.0.2</spring-cloud.version>
 	</properties>