diff --git a/Cargo.lock b/Cargo.lock
index 3b237a4f0337..ee9892e232cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -205,7 +205,7 @@ checksum = "a3548b8efc9f8e8a5a0a2808c5bd8451a9031b9e5b879a79590304ae928b0a70"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -216,7 +216,7 @@ checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -1514,7 +1514,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -1861,7 +1861,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -2414,7 +2414,7 @@ dependencies = [
  "standback",
  "subtle",
  "syn 0.15.44",
- "syn 1.0.60",
+ "syn 1.0.64",
  "tokio",
  "tokio-util",
  "toml",
@@ -2706,7 +2706,7 @@ dependencies = [
  "once_cell",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -3088,7 +3088,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -3597,7 +3597,7 @@ dependencies = [
  "proc-macro-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4773,7 +4773,7 @@ checksum = "876a53fff98e03a936a674b29568b0e605f06b29372c2489ff4de23f1949743d"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -4837,7 +4837,7 @@ dependencies = [
  "diem-workspace-hack",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5040,7 +5040,7 @@ dependencies = [
  "pest_meta",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5090,7 +5090,7 @@ checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5101,7 +5101,7 @@ checksum = "758669ae3558c6f74bd2a18b41f7ac0b5a195aea6639d6a9b5e5d1ad5ba24c0b"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5211,7 +5211,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
  "version_check",
 ]
 
@@ -5339,7 +5339,7 @@ dependencies = [
  "itertools 0.9.0",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5710,7 +5710,7 @@ checksum = "4c38e3aecd2b21cb3959637b883bb3714bc7e43f0268b9a29d3743ee3e55cdd2"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -5767,7 +5767,7 @@ checksum = "475e68978dc5b743f2f40d8e0a8fdc83f1c5e78cbf4b8fa5e74e73beebc340de"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6337,7 +6337,7 @@ checksum = "1800f7693e94e186f5e25a28291ae1570da908aff7d97a095dec1e56ff99069b"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6407,7 +6407,7 @@ checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6736,7 +6736,7 @@ dependencies = [
  "quote 1.0.9",
  "serde",
  "serde_derive",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6752,7 +6752,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "sha1",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6869,7 +6869,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -6924,9 +6924,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.60"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+checksum = "3fd9d1e9976102a03c542daa2eff1b43f9d72306342f3f8b3ed5fb8908195d6f"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
@@ -6941,7 +6941,7 @@ checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
  "unicode-xid 0.2.1",
 ]
 
@@ -7100,7 +7100,7 @@ checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -7158,7 +7158,7 @@ dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
  "standback",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -7233,7 +7233,7 @@ checksum = "caf7b11a536f46a809a8a9f0bb4237020f70ecbf115b842360afb127ea2fda57"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -7378,7 +7378,7 @@ checksum = "a8a9bd1db7706f2373a190b0d067146caa39350c486f3d455b0e33b431f94c07"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
 ]
 
 [[package]]
@@ -7834,7 +7834,7 @@ dependencies = [
  "log",
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
  "wasm-bindgen-shared",
 ]
 
@@ -7868,7 +7868,7 @@ checksum = "b5a48c72f299d80557c7c62e37e7225369ecc0c963964059509fbafe917c7549"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -8069,6 +8069,6 @@ checksum = "c3f369ddb18862aba61aa49bf31e74d29f0f162dec753063200e1dc084345d16"
 dependencies = [
  "proc-macro2 1.0.24",
  "quote 1.0.9",
- "syn 1.0.60",
+ "syn 1.0.64",
  "synstructure",
 ]
diff --git a/common/logger/derive/Cargo.toml b/common/logger/derive/Cargo.toml
index b7d94fca6a59..fec42f6855ae 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" }
-syn = { version = "1.0.58", features = ["extra-traits"] }
+syn = { version = "1.0.64", features = ["extra-traits"] }
 quote = "1.0.9"
 proc-macro2 = "1.0.24"
diff --git a/common/num-variants/Cargo.toml b/common/num-variants/Cargo.toml
index 39132e0205f8..d94977a1cb6d 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 = "1.0.9"
 proc-macro2 = "1.0.24"
 diem-workspace-hack = { path = "../workspace-hack" }
diff --git a/crypto/crypto-derive/Cargo.toml b/crypto/crypto-derive/Cargo.toml
index bf05064738d4..45d77ea4d1c3 100644
--- a/crypto/crypto-derive/Cargo.toml
+++ b/crypto/crypto-derive/Cargo.toml
@@ -14,7 +14,7 @@ proc-macro = true
 
 [dependencies]
 diem-workspace-hack = { path = "../../common/workspace-hack" }
-syn = { version = "1.0.58", features = ["derive"] }
+syn = { version = "1.0.64", features = ["derive"] }
 quote = "1.0.9"
 proc-macro2 = "1.0.24"