Missing Gatling dependency: gatling-charts-highcharts:3.11.5.2

Gatling (Open-Source)
5
  1. clone GitHub - gatling/gatling-gradle-plugin-demo-java
  2. run, observe that it’s running Gatling 3.12.0 (no deprecation warn)
  3. force gatlingVersion '3.11.5' in build.gradle, observe that it’s now running Gatling 3.11.5
  4. force gatlingVersion '3.11.54 in build.gradle, observe that it’s now running Gatling 3.11.4

You can also checkout a previous commit to restore id 'io.gatling.gradle' version '3.11.5.2' and redo the test with this previous plugin version. It will work as well, with the default Gatling version being 3.11.5 as expected.