diff --git a/Cargo.lock b/Cargo.lock
index d8eceef351a1..c8e3c4945419 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -209,7 +209,7 @@ checksum = "a3548b8efc9f8e8a5a0a2808c5bd8451a9031b9e5b879a79590304ae928b0a70"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -220,7 +220,7 @@ checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -1444,7 +1444,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -1784,7 +1784,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -2362,7 +2362,7 @@ dependencies = [
  "serde",
  "sha-1 0.9.2",
  "subtle",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -2628,7 +2628,7 @@ dependencies = [
  "once_cell",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -3008,7 +3008,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -3485,7 +3485,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4615,7 +4615,7 @@ checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4679,7 +4679,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4868,7 +4868,7 @@ dependencies = [
  "pest_meta",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4918,7 +4918,7 @@ checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4929,7 +4929,7 @@ checksum = "caa25a6393f22ce819b0f50e0be89287292fda8d425be38ee0ca14c4931d9e71"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5023,7 +5023,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
  "version_check",
 ]
 
@@ -5151,7 +5151,7 @@ dependencies = [
  "itertools 0.9.0",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5522,7 +5522,7 @@ checksum = "4c38e3aecd2b21cb3959637b883bb3714bc7e43f0268b9a29d3743ee3e55cdd2"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5579,7 +5579,7 @@ checksum = "475e68978dc5b743f2f40d8e0a8fdc83f1c5e78cbf4b8fa5e74e73beebc340de"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6112,7 +6112,7 @@ checksum = "0ca2a8cb5805ce9e3b95435e3765b7b553cecc762d938d409434338386cb5775"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6182,7 +6182,7 @@ checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6528,7 +6528,7 @@ dependencies = [
  "quote 1.0.8",
  "serde",
  "serde_derive",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6544,7 +6544,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "sha1",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6660,7 +6660,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6715,9 +6715,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.58"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc60a3d73ea6594cd712d830cc1f0390fd71542d8c8cd24e70cc54cdfd5e05d5"
+checksum = "3fd9d1e9976102a03c542daa2eff1b43f9d72306342f3f8b3ed5fb8908195d6f"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
@@ -6732,7 +6732,7 @@ checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
  "unicode-xid 0.2.1",
 ]
 
@@ -6880,7 +6880,7 @@ checksum = "9be73a2caec27583d0046ef3796c3794f868a5bc813db689eed00c7631275cd1"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6938,7 +6938,7 @@ dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
  "standback",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -7013,7 +7013,7 @@ checksum = "42517d2975ca3114b22a16192634e8241dc5cc1f130be194645970cc1c371494"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -7549,7 +7549,7 @@ dependencies = [
  "log",
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
  "wasm-bindgen-shared",
 ]
 
@@ -7583,7 +7583,7 @@ checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -7781,6 +7781,6 @@ checksum = "c3f369ddb18862aba61aa49bf31e74d29f0f162dec753063200e1dc084345d16"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.8",
- "syn 1.0.58",
+ "syn 1.0.64",
  "synstructure",
 ]
diff --git a/common/logger/derive/Cargo.toml b/common/logger/derive/Cargo.toml
index 7faeea1b3705..7efe3dbd141c 100644
--- a/common/logger/derive/Cargo.toml
+++ b/common/logger/derive/Cargo.toml
@@ -13,6 +13,6 @@ proc-macro = true
 
 [dependencies]
 diem-workspace-hack = { path = "../../workspace-hack", version = "0.1.0" }
-syn = { version = "1.0.58", features = ["extra-traits"] }
+syn = { version = "1.0.64", features = ["extra-traits"] }
 quote = "1.0.8"
 proc-macro2 = "1.0.24"
diff --git a/common/num-variants/Cargo.toml b/common/num-variants/Cargo.toml
index d7fe0d52b79d..88dc78ea2a61 100644
--- a/common/num-variants/Cargo.toml
+++ b/common/num-variants/Cargo.toml
@@ -10,7 +10,7 @@ license = "Apache-2.0"
 proc-macro = true
 
 [dependencies]
-syn = "1.0.58"
+syn = "1.0.64"
 quote = "1.0.8"
 proc-macro2 = "1.0.24"
 diem-workspace-hack = { path = "../workspace-hack", version = "0.1.0" }
diff --git a/common/workspace-hack/Cargo.toml b/common/workspace-hack/Cargo.toml
index 823c638d6587..ab09af49a11a 100644
--- a/common/workspace-hack/Cargo.toml
+++ b/common/workspace-hack/Cargo.toml
@@ -27,4 +27,4 @@ sha-1 = { version = "0.9.2", features = ["std"] }
 subtle = { version = "2.4.0", features = ["i128", "std"] }
 
 [build-dependencies]
-syn = { version = "1.0.58", features = ["clone-impls", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"] }
+syn = { version = "1.0.64", features = ["clone-impls", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "visit", "visit-mut"] }
diff --git a/crypto/crypto-derive/Cargo.toml b/crypto/crypto-derive/Cargo.toml
index c52b4db4cf00..8c22019c7511 100644
--- a/crypto/crypto-derive/Cargo.toml
+++ b/crypto/crypto-derive/Cargo.toml
@@ -13,7 +13,7 @@ proc-macro = true
 
 [dependencies]
 diem-workspace-hack = { path = "../../common/workspace-hack", version = "0.1.0" }
-syn = { version = "1.0.58", features = ["derive"] }
+syn = { version = "1.0.64", features = ["derive"] }
 quote = "1.0.8"
 proc-macro2 = "1.0.24"