diff --git a/css-inline/Cargo.toml b/css-inline/Cargo.toml
index 23a5186..7933821 100644
--- a/css-inline/Cargo.toml
+++ b/css-inline/Cargo.toml
@@ -29,7 +29,7 @@ file = []
 stylesheet-cache = ["lru"]
 
 [dependencies]
-cssparser = "0.31.2"
+cssparser = "0.34.0"
 html5ever = "0.27.0"
 indexmap = "2.1"
 lru = { version = "0.12.3", optional = true }