diff --git a/pyproject.toml b/pyproject.toml
index 7d0b6f8..17d6148 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,8 @@ readme = "README.md"
 requires-python = ">=3.11"
 
 dependencies = [
-    "httpx>=0.28.1"
+    "httpx>=0.28.1",
+    "lxml>=6.0.2"
 ]
 
 [project.optional-dependencies]