diff --git a/data-url/Cargo.toml b/data-url/Cargo.toml
index e91fd6b4..d7ace4ce 100644
--- a/data-url/Cargo.toml
+++ b/data-url/Cargo.toml
@@ -17,7 +17,7 @@ alloc = []
 
 [dev-dependencies]
 tester = "0.9"
-unicode-width = "=0.1.12"
+unicode-width = "=0.1.13"
 serde = {version = "1.0", features = ["derive"]}
 serde_json = "1.0"