diff --git a/renovate.json b/renovate.json
index 6d93a85..2474719 100644
--- a/renovate.json
+++ b/renovate.json
@@ -21,6 +21,12 @@
       "matchPackageNames": ["markitdown"],
       "allowedVersions": "==0.0.2"
     },
+    {
+      "groupName": "ignore recent lxml versions not supported by htmldate==1.9.3",
+      "matchManagers": ["pep621"],
+      "matchPackageNames": ["lxml"],
+      "allowedVersions": "<6"
+    },
     {
       "groupName": "ignore recent pylint versions not supported by pylint-django",
       "matchManagers": ["pep621"],