diff --git a/lib/manager/pip_setup/extract.ts b/lib/manager/pip_setup/extract.ts
index e0274334280b48476e1db1c0abc4ff22e4b297cd..cda26f734acb0fe09f9f72f46367dea3f4c916b7 100644
--- a/lib/manager/pip_setup/extract.ts
+++ b/lib/manager/pip_setup/extract.ts
@@ -83,7 +83,7 @@ export async function extractPackageFile(
   try {
     setup = await extractSetupFile(content, packageFile, config);
   } catch (err) {
-    logger.warn({ err, content, packageFile }, 'Failed to read setup.py file');
+    logger.debug({ err, content, packageFile }, 'Failed to read setup.py file');
   }
   if (!setup) {
     return null;