Could not resolve all dependencies for configuration ':app:apt'

[checkming]

A problem occurred configuring project ':app'.

Failed to notify project evaluation listener.
Could not resolve all dependencies for configuration ':app:_debugApk'.
> A problem occurred configuring project ':sliding_menu'.
> Could not resolve all dependencies for configuration ':sliding_menu:classpath'.
> Could not find com.android.tools.build:gradle:2.3.3.
Searched in the following locations:
https://repo1.maven.org/maven2/com/android/tools/build/gradle/2.3.3/gradle-2.3.3.pom
https://repo1.maven.org/maven2/com/android/tools/build/gradle/2.3.3/gradle-2.3.3.jar
Required by:
project :sliding_menu
Could not resolve all dependencies for configuration ':app:apt'.
> Project :app declares a dependency from configuration 'compile' to configuration 'default' which is not declared in the descriptor for project :sliding_menu.

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

请问这是什么原因?

[tong]

这个包com.android.tools.build:gradle:2.3.3拉不到，有加jcenter()吗

repositories {
        jcenter()
    }