diff --git a/demo1_getting_started.py b/demo1-getting-started.py
similarity index 100%
rename from demo1_getting_started.py
rename to demo1-getting-started.py
diff --git a/demo2_instance_with_init_script.py b/demo2-instance-with-init-script.py
similarity index 100%
rename from demo2_instance_with_init_script.py
rename to demo2-instance-with-init-script.py
diff --git a/demo3_microservice.py b/demo3-microservice.py
similarity index 100%
rename from demo3_microservice.py
rename to demo3-microservice.py
diff --git a/demo4-1_scale_out.py b/demo4-1-scale-out.py
similarity index 100%
rename from demo4-1_scale_out.py
rename to demo4-1-scale-out.py
diff --git a/demo4-2_scale_out_add_worker.py b/demo4-2-scale-out-add-worker.py
similarity index 100%
rename from demo4-2_scale_out_add_worker.py
rename to demo4-2-scale-out-add-worker.py
diff --git a/destroy_all_demo_instances.py b/destroy-all-demo-instances.py
similarity index 100%
rename from destroy_all_demo_instances.py
rename to destroy-all-demo-instances.py