diff --git a/rules/python/lang/xml_external_entity_vulnerability.yml b/rules/python/lang/xml_external_entity_vulnerability.yml
index 4514b2a8..738fdc96 100644
--- a/rules/python/lang/xml_external_entity_vulnerability.yml
+++ b/rules/python/lang/xml_external_entity_vulnerability.yml
@@ -44,7 +44,7 @@ patterns:
         scope: result
 languages:
   - python
-severity: medium
+severity: critical
 metadata:
   description: Usage of vulnerable XML libraries
   remediation_message: |-