diff --git a/renovate-config.json5 b/renovate-config.json5
index aa190006..b437deaa 100644
--- a/renovate-config.json5
+++ b/renovate-config.json5
@@ -10,6 +10,11 @@
   ],
   "configMigration": true,  // allow renovate to open PRs to update config
   "constraintsFiltering": "strict",  // ensure dependencies are compatible with dependency constraints
+  // Work around pep621 strict filtering evaluating Python ranges with pep440.
+  // https://github.com/renovatebot/renovate/issues/44453
+  "constraintsVersioning": {
+    "python": "python",
+  },
   "description": "Default renovate configuration for LizardByte repositories",
   "dependencyDashboard": true,  // Creates an issue with a "dashboard" of dependencies
   "dependencyDashboardLabels": [