diff --git a/cli.py b/cli.py
index f782b6f..958465e 100644
--- a/cli.py
+++ b/cli.py
@@ -1,7 +1,11 @@
 from dotenv import find_dotenv, load_dotenv
 from pathlib import Path
+from rich.console import Console
 from setup import __version__
-import click, os, webbrowser
+import click, os, sys, webbrowser
+
+# Create a Console object
+console = Console()
 
 # Load environment variables from .env file
 load_dotenv(find_dotenv())
@@ -13,7 +17,10 @@ def setup_environment():
 
     openai_api_key_url = "https://platform.openai.com/account/api-keys"
 
-    click.echo("The OPENAI_API_KEY environment variable is not set. Let's fix that for you by creating a .env file.")
+    console.print(
+        "[bold red]The OPENAI_API_KEY environment variable is not set.[/bold red]\n"
+        "Let's fix that for you by creating a .env file."
+    )
 
     if click.confirm("Do you want me to open the OpenAI API keys page for you in a browser?"):
         webbrowser.open(openai_api_key_url)
@@ -29,11 +36,14 @@ def setup_environment():
                 else:
                     env.write(line)
 
-        click.echo("Created .env file with your OpenAI API key. You're all set!")
+        console.print("[bold green]Created .env file with your OpenAI API key. You're all set![/bold green]")
 
         return True
 
-    raise click.UsageError("Please set an API key in the OPENAI_API_KEY environment variable or in a .env file.")
+    console.print(
+        "[bold red]Please set an API key in the OPENAI_API_KEY environment variable or in a .env file.[/bold red]"
+    )
+    sys.exit(1)
 
     return False
 
@@ -48,7 +58,7 @@ def cli():
 @cli.command()
 def version():
     """Print the version number."""
-    click.echo(f"AICodeBot version {__version__}")
+    console.print(f"[bold cyan]AICodeBot version {__version__}[/bold cyan]")
 
 
 @cli.command()
@@ -58,7 +68,7 @@ def joke(verbose):
     setup_environment()
     api_key = os.getenv("OPENAI_API_KEY")
     if verbose:
-        click.echo(f"Using API key: {api_key}")
+        console.print(f"[bold yellow]Using API key: {api_key}[/bold yellow]")
 
 
 if __name__ == "__main__":
diff --git a/requirements/requirements.in b/requirements/requirements.in
index 9bfa0d2..8607df7 100644
--- a/requirements/requirements.in
+++ b/requirements/requirements.in
@@ -1,2 +1,3 @@
 click
 python-dotenv
+rich
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 455e35f..14511b6 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -6,5 +6,13 @@
 #
 click==8.1.3
     # via -r requirements.in
+markdown-it-py==3.0.0
+    # via rich
+mdurl==0.1.2
+    # via markdown-it-py
+pygments==2.15.1
+    # via rich
 python-dotenv==1.0.0
     # via -r requirements.in
+rich==13.4.2
+    # via -r requirements.in