diff --git a/README.md b/README.md
index cbaaeaa..4429e0f 100644
--- a/README.md
+++ b/README.md
@@ -5,20 +5,19 @@ maven module to help run example showcase application uses mongo docker containe
 
 [![Maven Central](https://img.shields.io/maven-central/v/io.github.daggerok/distributed-lock-mongodb-spring-boot-starter.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22io.github.daggerok%22%20AND%20a:%22distributed-lock-mongodb-spring-boot-starter%22)
 
-## Versions convention
-
-We support next version convention:
-
-| Distributed Lock version | Spring Boot version | GitHub branch     |
-|--------------------------|---------------------|-------------------|
-| 3.0.13                   | 3.0.13              | master            |
-| 2.7.18                   | 2.7.18              | spring-boot-2.7.x |
-| 2.6.14-4                 | 2.6.14              | spring-boot-2.6.x |
-| 2.5.14-4                 | 2.5.14              | spring-boot-2.5.x |
-| 2.4.13-4                 | 2.4.13              | spring-boot-2.4.x |
-| 2.3.12-4                 | 2.3.12.RELEASE      | spring-boot-2.3.x |
-| 2.2.13-4                 | 2.2.13.RELEASE      | spring-boot-2.2.x |
-| 2.1.18-4                 | 2.1.18.RELEASE      | spring-boot-2.1.x |
+## Versions
+
+| Distributed Lock version | Spring Boot version | GitHub branch             |
+|--------------------------|---------------------|---------------------------|
+| 3.1.12                   | 3.1.12              | master, spring-boot-3.1.x |
+| 3.0.13                   | 3.0.13              | spring-boot-3.0.x         |
+| 2.7.18                   | 2.7.18              | spring-boot-2.7.x         |
+| 2.6.14-4                 | 2.6.14              | spring-boot-2.6.x         |
+| 2.5.14-4                 | 2.5.14              | spring-boot-2.5.x         |
+| 2.4.13-4                 | 2.4.13              | spring-boot-2.4.x         |
+| 2.3.12-4                 | 2.3.12.RELEASE      | spring-boot-2.3.x         |
+| 2.2.13-4                 | 2.2.13.RELEASE      | spring-boot-2.2.x         |
+| 2.1.18-4                 | 2.1.18.RELEASE      | spring-boot-2.1.x         |
 
 ## Installation
 
@@ -63,22 +62,22 @@ Feel free to simply inject it by defined single constructor in your spring Bean:
 public class MyService {
 
     @Autowired
-    private MyService myService;
+    private DistributedLock distributedLock;
 
     // skipped...
 }
 ```
 
-Or you can inject it using `@Auqtowired annotation` by field injection (not recommended):
+You can inject it using `@Auqtowired annotation` by field injection (not recommended):
 
 ```java
 @Service
 public class MyService {
 
-    private final MyService myService;
+    private final DistributedLock distributedLock;
 
-    public MyService(MyService myService) {
-        this.myService = myService;
+    public MyService(DistributedLock distributedLock) {
+        this.distributedLock = distributedLock;
     }
 
     // skipped...
@@ -136,3 +135,11 @@ Acquire lock and supply value (only if lock was acquired)
 Optional<SyncResult> syncResult = distributedLock.acquireAndGet(Lock.of("ETL"), () -> syncService.etl());
 maybeResult.ifPresent(result -> log.debug("Synchronization complete with: {}", result));
 ```
+
+There are Lock object configurations available, but the easier way to acquire lock would be simply using identifier:
+
+```java
+distributedLock
+        .acquireAndGet("user-123", () -> userService.update(user))
+        .ifPresent(unused -> log.debug("User(id=123) has been updated"));
+```
diff --git a/distributed-lock-mongodb-spring-boot-starter-example/pom.xml b/distributed-lock-mongodb-spring-boot-starter-example/pom.xml
index 6885c83..11bb951 100644
--- a/distributed-lock-mongodb-spring-boot-starter-example/pom.xml
+++ b/distributed-lock-mongodb-spring-boot-starter-example/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.daggerok</groupId>
         <artifactId>distributed-lock-mongodb-parent</artifactId>
-        <version>3.0.14-SNAPSHOT</version>
+        <version>3.1.12-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>jar</packaging>
diff --git a/distributed-lock-mongodb-spring-boot-starter/pom.xml b/distributed-lock-mongodb-spring-boot-starter/pom.xml
index 5dd41de..877e29d 100644
--- a/distributed-lock-mongodb-spring-boot-starter/pom.xml
+++ b/distributed-lock-mongodb-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.daggerok</groupId>
         <artifactId>distributed-lock-mongodb-parent</artifactId>
-        <version>3.0.14-SNAPSHOT</version>
+        <version>3.1.12-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>jar</packaging>
diff --git a/distributed-lock-mongodb/pom.xml b/distributed-lock-mongodb/pom.xml
index f570ded..cbbadb2 100644
--- a/distributed-lock-mongodb/pom.xml
+++ b/distributed-lock-mongodb/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.daggerok</groupId>
         <artifactId>distributed-lock-mongodb-parent</artifactId>
-        <version>3.0.14-SNAPSHOT</version>
+        <version>3.1.12-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>jar</packaging>
diff --git a/docker/pom.xml b/docker/pom.xml
index 3129aaf..676c8b8 100644
--- a/docker/pom.xml
+++ b/docker/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.daggerok</groupId>
         <artifactId>distributed-lock-mongodb-parent</artifactId>
-        <version>3.0.14-SNAPSHOT</version>
+        <version>3.1.12-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>jar</packaging>
diff --git a/pom.xml b/pom.xml
index fff13c2..a53959e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>3.0.13</version>
+        <version>3.1.12</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <modules>
@@ -19,7 +19,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>io.github.daggerok</groupId>
     <artifactId>distributed-lock-mongodb-parent</artifactId>
-    <version>3.0.14-SNAPSHOT</version>
+    <version>3.1.12-SNAPSHOT</version>
     <name>${project.groupId}:${project.artifactId}</name>
     <description>Distributed Lock based on MongoDB and Spring Boot 3.0.x</description>
     <url>https://github.com/daggerok/distributed-lock-mongodb-spring-boot-starter</url>
diff --git a/testcontainers/pom.xml b/testcontainers/pom.xml
index 54789fb..d3ff14b 100644
--- a/testcontainers/pom.xml
+++ b/testcontainers/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.daggerok</groupId>
         <artifactId>distributed-lock-mongodb-parent</artifactId>
-        <version>3.0.14-SNAPSHOT</version>
+        <version>3.1.12-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>jar</packaging>