diff --git a/lib/versioning/pep440/range.ts b/lib/versioning/pep440/range.ts
index 5ec614d6b4ae1ce7376f3471c8d6a28d83e0802b..48f9dfeacbd0ab11831c97268ba52247e1ec1e5f 100644
--- a/lib/versioning/pep440/range.ts
+++ b/lib/versioning/pep440/range.ts
@@ -145,7 +145,7 @@ export function getNewValue({
 
   if (!satisfies(toVersion, result)) {
     // we failed at creating the range
-    logger.error(
+    logger.warn(
       { result, toVersion, currentValue },
       'pep440: failed to calculate newValue'
     );