diff --git a/lib/koans/03_atoms.ex b/lib/koans/04_atoms.ex similarity index 100% rename from lib/koans/03_atoms.ex rename to lib/koans/04_atoms.ex diff --git a/lib/koans/04_tuples.ex b/lib/koans/05_tuples.ex similarity index 100% rename from lib/koans/04_tuples.ex rename to lib/koans/05_tuples.ex diff --git a/lib/koans/05_lists.ex b/lib/koans/06_lists.ex similarity index 100% rename from lib/koans/05_lists.ex rename to lib/koans/06_lists.ex diff --git a/lib/koans/06_keyword_lists.ex b/lib/koans/07_keyword_lists.ex similarity index 100% rename from lib/koans/06_keyword_lists.ex rename to lib/koans/07_keyword_lists.ex diff --git a/lib/koans/07_maps.ex b/lib/koans/08_maps.ex similarity index 100% rename from lib/koans/07_maps.ex rename to lib/koans/08_maps.ex diff --git a/lib/koans/08_structs.ex b/lib/koans/09_structs.ex similarity index 100% rename from lib/koans/08_structs.ex rename to lib/koans/09_structs.ex diff --git a/lib/koans/09_pattern_matching.ex b/lib/koans/10_pattern_matching.ex similarity index 100% rename from lib/koans/09_pattern_matching.ex rename to lib/koans/10_pattern_matching.ex diff --git a/lib/koans/10_functions.ex b/lib/koans/11_functions.ex similarity index 100% rename from lib/koans/10_functions.ex rename to lib/koans/11_functions.ex diff --git a/lib/koans/11_enums.ex b/lib/koans/12_enums.ex similarity index 100% rename from lib/koans/11_enums.ex rename to lib/koans/12_enums.ex diff --git a/lib/koans/12_processes.ex b/lib/koans/13_processes.ex similarity index 100% rename from lib/koans/12_processes.ex rename to lib/koans/13_processes.ex diff --git a/lib/koans/13_tasks.ex b/lib/koans/14_tasks.ex similarity index 100% rename from lib/koans/13_tasks.ex rename to lib/koans/14_tasks.ex diff --git a/lib/koans/14_agents.ex b/lib/koans/15_agents.ex similarity index 100% rename from lib/koans/14_agents.ex rename to lib/koans/15_agents.ex