diff --git a/MANIFEST.in b/MANIFEST.in
index 55a0460d..696c1146 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1 @@
-recursive-include immutabase/static *
+recursive-include datasette/static *
diff --git a/datasette/.DS_Store b/datasette/.DS_Store
new file mode 100644
index 00000000..459d1977
Binary files /dev/null and b/datasette/.DS_Store differ
diff --git a/immutabase/__init__.py b/datasette/__init__.py
similarity index 100%
rename from immutabase/__init__.py
rename to datasette/__init__.py
diff --git a/immutabase/app.py b/datasette/app.py
similarity index 99%
rename from immutabase/app.py
rename to datasette/app.py
index af68b54f..9f48bf24 100644
--- a/immutabase/app.py
+++ b/datasette/app.py
@@ -466,13 +466,13 @@ def app_factory(files, num_threads=3):
     jinja = SanicJinja2(
         app,
         loader=FileSystemLoader([
-            str(app_root / 'immutabase' / 'templates')
+            str(app_root / 'datasette' / 'templates')
         ])
     )
     app.add_route(IndexView.as_view(files, jinja, executor), '/')
     # TODO: /favicon.ico and /-/static/ deserve far-future cache expires
     app.add_route(favicon, '/favicon.ico')
-    app.static('/-/static/', str(app_root / 'immutabase' / 'static'))
+    app.static('/-/static/', str(app_root / 'datasette' / 'static'))
     app.add_route(
         DatabaseView.as_view(files, jinja, executor),
         '/<db_name:[^/\.]+?><as_json:(.jsono?)?$>'
diff --git a/immutabase/cli.py b/datasette/cli.py
similarity index 92%
rename from immutabase/cli.py
rename to datasette/cli.py
index fda822e9..4131b52b 100644
--- a/immutabase/cli.py
+++ b/datasette/cli.py
@@ -6,7 +6,7 @@ from .app import app_factory, ensure_build_metadata
 @click.group(cls=DefaultGroup, default='serve', default_if_no_args=True)
 def cli():
     """
-    Immutabase!
+    Datasette!
     """
 
 
@@ -26,7 +26,7 @@ def serve(files, host, port, debug, reload):
     """Serve up specified database files with a web UI"""
     if reload:
         import hupper
-        hupper.start_reloader('immutabase.cli.serve')
+        hupper.start_reloader('datasette.cli.serve')
 
     click.echo('Serve! files={} on port {}'.format(files, port))
     app = app_factory(files)
diff --git a/immutabase/static/bootstrap-4.0.0-beta.2.min.css b/datasette/static/bootstrap-4.0.0-beta.2.min.css
similarity index 100%
rename from immutabase/static/bootstrap-4.0.0-beta.2.min.css
rename to datasette/static/bootstrap-4.0.0-beta.2.min.css
diff --git a/immutabase/templates/base.html b/datasette/templates/base.html
similarity index 100%
rename from immutabase/templates/base.html
rename to datasette/templates/base.html
diff --git a/immutabase/templates/database.html b/datasette/templates/database.html
similarity index 100%
rename from immutabase/templates/database.html
rename to datasette/templates/database.html
diff --git a/immutabase/templates/index.html b/datasette/templates/index.html
similarity index 100%
rename from immutabase/templates/index.html
rename to datasette/templates/index.html
diff --git a/immutabase/templates/row.html b/datasette/templates/row.html
similarity index 100%
rename from immutabase/templates/row.html
rename to datasette/templates/row.html
diff --git a/immutabase/templates/table.html b/datasette/templates/table.html
similarity index 100%
rename from immutabase/templates/table.html
rename to datasette/templates/table.html
diff --git a/setup.py b/setup.py
index 5e1b037f..7e699d14 100644
--- a/setup.py
+++ b/setup.py
@@ -1,10 +1,10 @@
 from setuptools import setup, find_packages
 
 setup(
-    name='immutabase',
+    name='datasette',
     version='0.1',
     packages=find_packages(),
-    package_data={'immutabase': ['templates/*.html']},
+    package_data={'datasette': ['templates/*.html']},
     include_package_data=True,
     install_requires=[
         'click==6.7',
@@ -15,7 +15,7 @@ setup(
     ],
     entry_points='''
         [console_scripts]
-        immutabase=immutabase.cli:cli
+        datasette=datasette.cli:cli
     ''',
     setup_requires=['pytest-runner'],
     tests_require=['pytest'],
diff --git a/test_helpers.py b/test_helpers.py
index 8e970f5e..1e65f924 100644
--- a/test_helpers.py
+++ b/test_helpers.py
@@ -1,4 +1,4 @@
-from immutabase import app
+from datasette import app
 import pytest
 import json