diff --git a/gptcli/__init__.py b/gptcli/__init__.py
index e69de29..ae73625 100644
--- a/gptcli/__init__.py
+++ b/gptcli/__init__.py
@@ -0,0 +1 @@
+__version__ = "0.1.3"
diff --git a/gptcli/gpt.py b/gptcli/gpt.py
index d0253ff..e9634e9 100755
--- a/gptcli/gpt.py
+++ b/gptcli/gpt.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 import sys
+
 MIN_PYTHON = (3, 9)
 if sys.version_info < MIN_PYTHON:
     sys.exit("Python %s.%s or later is required.\n" % MIN_PYTHON)
@@ -130,6 +131,13 @@ def parse_args(config: GptCliConfig):
         help="Disable price logging.",
         default=config.show_price,
     )
+    parser.add_argument(
+        "--version",
+        "-v",
+        action="version",
+        version=f"gpt-cli v{gptcli.__version__}",
+        help="Print the version number and exit.",
+    )
 
     return parser.parse_args()