我正在尝试将我的 Spring Boot 版本从 2.1.5.RELEASE 升级到 2.5.1，因此我根据 Spring Cloud 的 Spring Boot 版本兼容性将 Spring Cloud 版本从 Greenwich.RELEASE 更改为 2020.0.3。我也在我的项目中使用 spring-cloud-starter-netflix-zuul 和 spring-cloud-starter-netflix-ribbon。我面临的问题是当我构建 Maven 时，我收到如下错误

[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] 'dependencies.dependency.version' for org.springframework.cloud:spring-cloud-starter-netflix-zuul:jar is missing. @ com.xx.xxx.xxx:[unknown-version], C:Usersxxpom.xml, line xx, column xx
[ERROR] 'dependencies.dependency.version' for org.springframework.cloud:spring-cloud-starter-netflix-ribbon:jar is missing. @ com.xx.xxx.xxxh:[unknown-version], C:Usersxxpom.xml, line xx, column xx

我的pom文件如下

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.5.1</version>
    </parent>
    <repositories>
    </repositories>
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>2020.0.3</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-zuul</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
        </dependency>
...

任何人都可以帮助解决此错误，提前致谢

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