diff --git a/pyproject.toml b/pyproject.toml
index 1ecead5b..9e156b1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,7 +63,7 @@ redaction = [
   # Richer NER-based PII/PHI detection; the redactor falls back to regex
   # (governance gdpr/hipaa patterns) when these are not installed.
   "presidio-analyzer>=2.2.0",
-  "presidio-anonymizer>=2.2.0",
+  "presidio-anonymizer>=2.2.364",
 ]
 langchain = [
   "langchain-core>=0.3.0",