Lockfile update
diff --git a/third-party/BUCK b/third-party/BUCK
index ff65026..f76e6f0 100644
--- a/third-party/BUCK
+++ b/third-party/BUCK
@@ -107,5 +107,5 @@
 
 rust_library(
     name = "unicode-xid",
-    srcs = glob(["vendor/unicode-xid-0.2.1/src/**"]),
+    srcs = glob(["vendor/unicode-xid-0.2.2/src/**"]),
 )
diff --git a/third-party/BUILD b/third-party/BUILD
index c8817f8..c8b6175 100644
--- a/third-party/BUILD
+++ b/third-party/BUILD
@@ -111,5 +111,5 @@
 
 rust_library(
     name = "unicode-xid",
-    srcs = glob(["vendor/unicode-xid-0.2.1/src/**"]),
+    srcs = glob(["vendor/unicode-xid-0.2.2/src/**"]),
 )
diff --git a/third-party/Cargo.lock b/third-party/Cargo.lock
index 7a41c56..72f20a0 100644
--- a/third-party/Cargo.lock
+++ b/third-party/Cargo.lock
@@ -57,11 +57,10 @@
 
 [[package]]
 name = "clang-ast"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6be69bccd734033fe3144178c27a5f96c0976c200d4e9188f80623465e624e62"
+checksum = "7c215e0240d39ecb846f717632498006e87ab01a99273e101737b4659c95803b"
 dependencies = [
- "once_cell",
  "serde",
 ]
 
@@ -277,12 +276,6 @@
 ]
 
 [[package]]
-name = "once_cell"
-version = "1.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
-
-[[package]]
 name = "pkg-config"
 version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -422,9 +415,9 @@
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
 name = "vec_map"