title: Spring Boot [2.6.6] is not compatible with this Spring Cloud release train
body: <p>We're trying to upgrade spring boot version to 2.6.6 and faced up with &quot;Spring Boot [2.6.6] is not compatible with this Spring Cloud release train&quot; (when running integration tests).</p>
  <p>In additional</p>
  <p>spring-cloud.version = 2021</p>
  <p>We're using org.springframework.cloud (spring-cloud-starter-openfeign &amp; spring-cloud-openfeign-cores) 3.1.1</p>
  <p>according to the <a href="https://spring.io/projects/spring-cloud#overview" rel="nofollow noreferrer">documentation</a> , spring boot support 2.6.6 should be compatible.</p>