diff --git a/components/style/properties/data.py b/components/style/properties/data.py
index 740815bcb38..17d398b0aaa 100644
--- a/components/style/properties/data.py
+++ b/components/style/properties/data.py
@@ -889,6 +889,7 @@ class PropertyRestrictions:
                 "unicode-bidi",
                 "direction",
                 "content",
+                "line-height",
                 "-moz-osx-font-smoothing",
             ]
             + PropertyRestrictions.spec(data, "css-fonts")