IdentityPython
diff --git a/‎poetry.lock
+108-1 b/‎poetry.lock
+108-1
diff --git a/‎pyproject.toml
+1 b/‎pyproject.toml
+1
@@ -49,6 +49,7 @@ pytz = "*"
 requests = "^2"
 xmlschema = ">=1.2.1"
 "zope.interface" = {optional = true, version = "*"}
+lxml = "^4.9.3"
 
 [tool.poetry.extras]
 s2repoze = ["paste", "repoze-who", "zope-interface"]