Spring Boot 2.6.4 requires [Java 8](https://www.java.com/) and is compatible up to and including Java 17. [Spring Framework 5.3.16](https://docs.spring.io/spring-framework/docs/5.3.16/reference/html/) or above is also required.
Explicit build support is provided for the following build tools:
| Build Tool | Version |
| :--------- | :-------------------- |
| Maven | 3.5+ |
| Gradle | 6.8.x, 6.9.x, and 7.x |
### Servlet Containers
Spring Boot supports the following embedded servlet containers:
| Name | Servlet Version |
| :----------- | :-------------- |
| Tomcat 9.0 | 4.0 |
| Jetty 9.4 | 3.1 |
| Jetty 10.0 | 4.0 |
| Undertow 2.0 | 4.0 |
You can also deploy Spring Boot applications to any servlet 3.1+ compatible container.