diff --git a/gilt/shell.py b/gilt/shell.py
index 72d3bb5..1e4115c 100644
--- a/gilt/shell.py
+++ b/gilt/shell.py
@@ -21,6 +21,7 @@
 import os
 
 import click
+import click_completion
 import fasteners
 
 import gilt
@@ -28,6 +29,8 @@
 from gilt import git
 from gilt import util
 
+click_completion.init()
+
 
 class NotFoundError(Exception):
     """Error raised when a config can not be found. """
@@ -49,7 +52,22 @@ class NotFoundError(Exception):
 @click.version_option(version=gilt.__version__)
 @click.pass_context
 def main(ctx, config, debug):  # pragma: no cover
-    """gilt - A GIT layering tool. """
+    """
+    \b
+           o  o
+         o |  |
+    o--o   | -o-
+    |  | | |  |
+    o--O | o  o
+       |
+    o--o
+
+    gilt - A GIT layering tool.
+
+    Enable autocomplete issue:
+
+    eval "$(_GILT_COMPLETE=source gilt)"
+    """  # noqa: H404,H405
     ctx.obj = {}
     ctx.obj["args"] = {}
     ctx.obj["args"]["debug"] = debug
diff --git a/setup.cfg b/setup.cfg
index 23e2aa9..7a7a574 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -42,6 +42,7 @@ setup_requires =
 # These are required in actual runtime:
 install_requires =
     click
+    click-completion
     colorama
     fasteners
     PyYAML