Heroku Error Ktor

Heroku error

-----> Building on the Heroku-20 stack

-----> Using buildpack: heroku/gradle

-----> Gradle app detected

-----> Installing JDK 1.8... done

-----> Building Gradle app...

-----> executing ./gradlew stage

       Downloading https://services.gradle.org/distributions/gradle-7.0.2-bin.zip

       ..........10%...........20%...........30%..........40%...........50%...........60%..........70%...........80%...........90%..........100%

       To honour the JVM settings for this build a single-use Daemon process will be forked. See https://docs.gradle.org/7.0.2/userguide/gradle_daemon.html#sec:disabling_the_daemon.

       Daemon will be stopped at the end of the build 

       

       FAILURE: Build failed with an exception.

       

       * Where:

       Build file '/tmp/build_603db30a/androidApp/build.gradle.kts' line: 1

       

       * What went wrong:

       An exception occurred applying plugin request [id: 'com.android.application']

       > Failed to apply plugin 'com.android.internal.application'.

          > Android Gradle plugin requires Java 11 to run. You are currently using Java 1.8.

            You can try some of the following options:

              - changing the IDE settings.

              - changing the JAVA_HOME environment variable.

              - changing `org.gradle.java.home` in `gradle.properties`.

       

       * Try:

       Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

       

       * Get more help at https://help.gradle.org

       

       BUILD FAILED in 2m 6s

 !     ERROR: Failed to run Gradle!

       We're sorry this build is failing. If you can't find the issue in application

       code, please submit a ticket so we can help: https://help.heroku.com

       You can also try reverting to the previous version of the buildpack by running:

       $ heroku buildpacks:set https://github.com/heroku/heroku-buildpack-gradle#previous-version

       

       Thanks,

       Heroku

 !     Push rejected, failed