diff --git a/README.md b/README.md
index 8bb66d9..5d03ee3 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Commands:
   new <name>        Create a new DragonRuby project.
   register <path>   Register a DragonRuby installation. This moves the installation to the $HOME/.drenv directory.
   global [version]  Get or set the global version of DragonRuby.
-  local <version>   Get or set the local version of DragonRuby.
+  local [version]   Get or set the local version of DragonRuby.
   versions          List out all locally installed versions of DragonRuby.
   help [command]    display help for command
 ```
@@ -71,7 +71,7 @@ This command will create a new DragonRuby project with the specified name.
 Under the hood, all **drenv** does is copy the contents of the global DragonRuby
 installation into the new project directory.
 
-### `drenv local <version>`
+### `drenv local [version]`
 
 This command will update your current directory's DragonRuby version to the specified version.
 
diff --git a/main.ts b/main.ts
index bb984db..14e40f0 100644
--- a/main.ts
+++ b/main.ts
@@ -25,7 +25,7 @@ const actionRunner = (fn: (...args: any[]) => Promise<any>) => {
 program
   .name("drenv")
   .description("CLI to manage DragonRuby environments.")
-  .version("0.2.1");
+  .version("0.2.2");
 
 program.command("setup")
   .description("Setup your shell profile to use drenv.")
@@ -49,7 +49,7 @@ program.command("global")
   .action(actionRunner(global));
 
 program.command("local")
-  .argument("<version>", "Version of DragonRuby to use")
+  .argument("[version]", "Version of DragonRuby to use")
   .description("Get or set the local version of DragonRuby.")
   .action(actionRunner(local));