diff --git a/pyproject.toml b/pyproject.toml
index 48920c7..ca0a79e 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ python = "^3.8"
 beautifulsoup4 = ">=4.9.3"
 Pillow = ">=4.0.0"
 PyYAML = ">=5.1"
-lxml = ">=4.2.0,<5.2.0"
+lxml = ">=4.2.0, <5.2.0"
 nltk = ">=3.6.6"
 requests = ">=2.26.0"
 feedparser = ">=6.0.0"