diff --git a/third_party/rust/unicode_ident/v1/BUILD.gn b/third_party/rust/unicode_ident/v1/BUILD.gn
index 3cfbeda4771..da5512945a8 100644
--- a/third_party/rust/unicode_ident/v1/BUILD.gn
+++ b/third_party/rust/unicode_ident/v1/BUILD.gn
@@ -24,12 +24,12 @@ cargo_crate("buildrs_support") {
   inputs = []
 
   build_native_rust_unit_tests = false
-  edition = "2018"
+  edition = "2021"
   cargo_pkg_authors = "David Tolnay <dtolnay@gmail.com>"
   cargo_pkg_name = "unicode-ident"
   cargo_pkg_description = "Determine whether characters have the XID_Start or XID_Continue properties according to Unicode Standard Annex #31"
   cargo_pkg_repository = "https://github.com/dtolnay/unicode-ident"
-  cargo_pkg_version = "1.0.18"
+  cargo_pkg_version = "1.0.23"
 
   allow_unsafe = true