diff --git a/Cargo.lock b/Cargo.lock
index 14decc14ea..d0767e9f4c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1391,9 +1391,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-ap-rustc_lexer"
-version = "714.0.0"
+version = "716.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a35856f140bed0dc7c7d6ba2134099d337377a3a4e11bfc79bccabf1fd4c9d42"
+checksum = "12eac7554c1d3f49f105f14d53c0f3402220e875983113562701d8e597a0995c"
 dependencies = [
  "unicode-xid",
 ]
diff --git a/crates/syntax/Cargo.toml b/crates/syntax/Cargo.toml
index a8c1a80750..556f808825 100644
--- a/crates/syntax/Cargo.toml
+++ b/crates/syntax/Cargo.toml
@@ -14,7 +14,7 @@ doctest = false
 cov-mark = { version = "1.1", features = ["thread-local"] }
 itertools = "0.10.0"
 rowan = "=0.13.0-pre.3"
-rustc_lexer = { version = "714.0.0", package = "rustc-ap-rustc_lexer" }
+rustc_lexer = { version = "716.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
 arrayvec = "0.7"
 once_cell = "1.3.1"