diff --git a/data-url/Cargo.toml b/data-url/Cargo.toml
index a831f1e3..f2d7279a 100644
--- a/data-url/Cargo.toml
+++ b/data-url/Cargo.toml
@@ -18,7 +18,7 @@ alloc = []
 [dev-dependencies]
 tester = "0.9"
 # We pin this transitive dev dep so that MSRV CI can continue to run.
-unicode-width = "=0.1.12"
+unicode-width = "=0.2.0"
 serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
 serde_json = "1.0"