diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2ebd7dd
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/.idea
+*.iml
+/logs
diff --git a/docker-compose.yml b/docker-compose.yml
index feecee9..fe86242 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,8 +1,7 @@
-version: '3.8'
 services:
   redis-master:
     container_name: redis-master
-    image: 'bitnami/redis:latest'
+    image: bitnami/redis:7.2.5
     environment:
       - REDIS_REPLICATION_MODE=master
       - REDIS_PASSWORD=redispassword
@@ -10,18 +9,18 @@ services:
       - "6379:6379"
   redis-slave:
     container_name: slave-redis
-    image: 'bitnami/redis:latest'
+    image: bitnami/redis:7.2.5
     environment:
       - REDIS_REPLICATION_MODE=slave
       - REDIS_MASTER_HOST=redis-master
       - REDIS_MASTER_PASSWORD=redispassword
       - REDIS_PASSWORD=redispassword
     ports:
-      - "7000:6379"
+      - "7001:6379"
     depends_on:
       - redis-master
   redis-sentinel-1:
-    image: 'bitnami/redis-sentinel:latest'
+    image: 'bitnami/redis-sentinel:7.2.5'
     container_name: sentinel-1
     environment:
       - REDIS_MASTER_SET=mymaster
@@ -34,7 +33,7 @@ services:
     ports: 
        - "26379:26379"
   redis-sentinel-2:
-    image: 'bitnami/redis-sentinel:latest'
+    image: 'bitnami/redis-sentinel:7.2.5'
     container_name: sentinel-2
     environment:
       - REDIS_MASTER_SET=mymaster
@@ -47,7 +46,7 @@ services:
     ports: 
       - "26380:26379"
   redis-sentinel-3:
-    image: 'bitnami/redis-sentinel:latest'
+    image: 'bitnami/redis-sentinel:7.2.5'
     container_name: sentinel-3
     environment:
       - REDIS_MASTER_SET=mymaster
@@ -58,4 +57,4 @@ services:
       - redis-master
       - redis-slave
     ports: 
-      - "26381:26379"
\ No newline at end of file
+      - "26381:26379"
diff --git a/spring-redis-sentinel/pom.xml b/spring-redis-sentinel/pom.xml
index 2bc7a23..7dbe30a 100644
--- a/spring-redis-sentinel/pom.xml
+++ b/spring-redis-sentinel/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.0.2</version>
+		<version>3.3.0</version>
 		<relativePath /> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.redis.sentinel</groupId>
@@ -15,7 +15,7 @@
 	<name>spring-redis-sentinel</name>
 	<description>Redis Sentinel Example</description>
 	<properties>
-		<java.version>17</java.version>
+		<java.version>21</java.version>
 	</properties>
 	<dependencies>
 		<dependency>
@@ -40,7 +40,6 @@
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
 		</dependency>
-
 	</dependencies>
 
 	<build>