diff --git a/Cargo.lock b/Cargo.lock
index 5d083ad0d..a729565ac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1127,9 +1127,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "syn"
-version = "1.0.21"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4696caa4048ac7ce2bcd2e484b3cef88c1004e41b8e945a277e2c25dc0b72060"
+checksum = "1425de3c33b0941002740a420b1a906a350b88d08b82b2c8a01035a3f9447bac"
 dependencies = [
  "proc-macro2",
  "quote",