update locations of dockerization scripts
diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index 758be93..e813473 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py
@@ -542,7 +542,7 @@
     env['BUILD_INTEROP_DOCKER_EXTRA_ARGS'] = \
       '-v %s:/root/.composer/auth.json:ro' % host_file
   build_job = jobset.JobSpec(
-          cmdline=['tools/jenkins/build_interop_image.sh'],
+          cmdline=['tools/run_tests/dockerize/build_interop_image.sh'],
           environ=env,
           shortname='build_docker_%s' % (language),
           timeout_seconds=30*60)