--- a/testing/mozharness/configs/builds/releng_sub_android_configs/64_api_15_gradle_dependencies.py
+++ b/testing/mozharness/configs/builds/releng_sub_android_configs/64_api_15_gradle_dependencies.py
@@ -5,11 +5,12 @@ config = {
     'src_mozconfig': 'mobile/android/config/mozconfigs/android-api-15-gradle-dependencies/nightly',
     'tooltool_manifest_src': 'mobile/android/config/tooltool-manifests/android-gradle-dependencies/releng.manifest',
     'multi_locale_config_platform': 'android',
     'postflight_build_mach_commands': [
         ['gradle',
          'assembleAutomationRelease',
          'assembleAutomationDebug',
          'assembleAutomationDebugAndroidTest',
+         'checkstyle',
         ],
     ],
 }

--- a/testing/taskcluster/tasks/branches/base_jobs.yml
+++ b/testing/taskcluster/tasks/branches/base_jobs.yml
@@ -292,16 +292,17 @@ tasks:
         # Other misc lint related files.
         - 'tools/lint/**'
   android-api-15-gradle-dependencies:
     task: tasks/builds/android_api_15_gradle_dependencies.yml
     root: true
     when:
       file_patterns:
         - 'testing/docker/android-gradle-build/**'
+        - 'testing/mozharness/configs/builds/releng_sub_android_configs/*gradle_dependencies.py'
         - '**/*.gradle'
   android-checkstyle:
     task: tasks/builds/android_checkstyle.yml
     root: true
     when:
       file_patterns:
         - 'mobile/android/**/checkstyle.xml'
         - 'mobile/android/**/*.gradle'