diff --git a/piptools/scripts/compile.py b/piptools/scripts/compile.py
index eaae76991..810f09812 100755
--- a/piptools/scripts/compile.py
+++ b/piptools/scripts/compile.py
@@ -6,10 +6,10 @@
 
 import click
 from click.utils import LazyFile, safecall
+from pep517 import meta
 from pip._internal.commands import create_command
 from pip._internal.req.constructors import install_req_from_line
 from pip._internal.utils.misc import redact_auth_from_url
-from pip._vendor.pep517 import meta
 
 from .._compat import parse_requirements
 from ..cache import DependencyCache
diff --git a/setup.cfg b/setup.cfg
index c9ff3d363..57165b882 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -30,6 +30,7 @@ packages = find:
 zip_safe = false
 install_requires =
     click >= 7
+    pep517
     pip >= 20.3
 
 [options.packages.find]