Update unicode-xid
diff --git a/Cargo.toml b/Cargo.toml
index 9cf5c05..9ad65af 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@
 doctest = false
 
 [dependencies]
-unicode-xid = "0.0.4"
+unicode-xid = "0.1"
 
 [dev-dependencies]
 compiletest_rs = "0.2"