diff --git a/pyproject.toml b/pyproject.toml
index 98ea7c4..02c27c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
   "requests",
   "sepaxml~=2.7",
   "enum-tools~=0.12.0",
-  "lxml~=6.0.2",
+  "lxml>=6.0.2,<7",
 ]
 dynamic = ["version"]