diff --git a/ability-command.php b/ability-command.php
index 92877a5..c2ea502 100644
--- a/ability-command.php
+++ b/ability-command.php
@@ -19,5 +19,5 @@
 	}
 };
 
-WP_CLI::add_command( 'ability', '\WP_CLI\Ability\AbilityCommand', [ 'before_invoke' => $wpcli_ability_before_invoke ] );
-WP_CLI::add_command( 'ability category', '\WP_CLI\Ability\AbilityCategoryCommand', [ 'before_invoke' => $wpcli_ability_before_invoke ] );
+WP_CLI::add_command( 'ability', '\WP_CLI\Ability\Ability_Command', [ 'before_invoke' => $wpcli_ability_before_invoke ] );
+WP_CLI::add_command( 'ability category', '\WP_CLI\Ability\Ability_Category_Command', [ 'before_invoke' => $wpcli_ability_before_invoke ] );
diff --git a/src/AbilityCategoryCommand.php b/src/Ability_Category_Command.php
similarity index 99%
rename from src/AbilityCategoryCommand.php
rename to src/Ability_Category_Command.php
index d0f62a2..04ee62e 100644
--- a/src/AbilityCategoryCommand.php
+++ b/src/Ability_Category_Command.php
@@ -43,7 +43,7 @@
  * @when    after_wp_load
  * @package wp-cli
  */
-class AbilityCategoryCommand extends WP_CLI_Command {
+class Ability_Category_Command extends WP_CLI_Command {
 
 	/**
 	 * Default fields for list output.
diff --git a/src/AbilityCommand.php b/src/Ability_Command.php
similarity index 99%
rename from src/AbilityCommand.php
rename to src/Ability_Command.php
index cd410e2..837b61a 100644
--- a/src/AbilityCommand.php
+++ b/src/Ability_Command.php
@@ -63,7 +63,7 @@
  * @when    after_wp_load
  * @package wp-cli
  */
-class AbilityCommand extends WP_CLI_Command {
+class Ability_Command extends WP_CLI_Command {
 
 	/**
 	 * Default fields for list output.