diff --git a/projects/lilith/BUILD b/projects/lilith/BUILD
index ac706b4..a972505 100644
--- a/projects/lilith/BUILD
+++ b/projects/lilith/BUILD
@@ -1,21 +1,11 @@
 py_project(
     name = "lilith",
+    main = "src/python/lilith/__main__.py",
     lib_deps = [
         py_requirement("lark"),
+        py_requirement("prompt_toolkit"),
     ],
     test_deps = [
         py_requirement("hypothesis"),
-    ]
-)
-
-py_binary(
-    name = "repl",
-    main = "src/python/lilith/repl.py",
-    imports = [
-        "src/python",
     ],
-    deps = [
-        ":lilith",
-        py_requirement("prompt_toolkit"),
-    ]
 )
diff --git a/projects/lilith/src/python/lilith/repl.py b/projects/lilith/src/python/lilith/__main__.py
similarity index 100%
rename from projects/lilith/src/python/lilith/repl.py
rename to projects/lilith/src/python/lilith/__main__.py