diff --git a/Cargo.lock b/Cargo.lock
index fef333285..d0cf7db16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1079,9 +1079,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "syn"
-version = "1.0.18"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "410a7488c0a728c7ceb4ad59b9567eb4053d02e8cc7f5c0e0eeeb39518369213"
+checksum = "e8e5aa70697bb26ee62214ae3288465ecec0000f05182f039b477001f08f5ae7"
 dependencies = [
  "proc-macro2",
  "quote",