diff --git a/Cargo.lock b/Cargo.lock
index 8118d7a..ad31793 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -38,7 +38,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39858aa5bac06462d4dd4b9164848eb81ffc4aa5c479746393598fd193afa227"
 dependencies = [
  "quote",
- "syn",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -126,11 +126,11 @@ checksum = "7e0456befd48169b9f13ef0f0ad46d492cf9d2dbb918bcf38e01eed4ce3ec5e4"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.19"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
+checksum = "78803b62cbf1f46fde80d7c0e803111524b9877184cfe7c3033659490ac7a7da"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -143,7 +143,7 @@ dependencies = [
  "proc-macro2",
  "proc-quote-impl",
  "quote",
- "syn",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -159,9 +159,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.7"
+version = "1.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+checksum = "573015e8ab27661678357f27dc26460738fd2b6c86e46f386fde94cb5d913105"
 dependencies = [
  "proc-macro2",
 ]
@@ -189,7 +189,7 @@ dependencies = [
  "proc-macro2",
  "proc-quote",
  "quote",
- "syn",
+ "syn 2.0.24",
 ]
 
 [[package]]
@@ -209,7 +209,7 @@ checksum = "2a0be94b04690fbaed37cddffc5c134bf537c8e3329d53e982fe04c374978f8e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -246,6 +246,17 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "syn"
+version = "2.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36ccaf716a23c35ff908f91c971a86a9a71af5998c1d8f10e828d9f55f68ac00"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "terminal_size"
 version = "0.1.17"
@@ -265,6 +276,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "unicode-ident"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22049a19f4a68748a168c0fc439f9516686aa045927ff767eca0a85101fb6e73"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
diff --git a/safe-builder-derive/Cargo.toml b/safe-builder-derive/Cargo.toml
index 523b9d7..c773dd8 100644
--- a/safe-builder-derive/Cargo.toml
+++ b/safe-builder-derive/Cargo.toml
@@ -12,6 +12,6 @@ proc-macro = true
 [dependencies]
 quote = "^1.0"
 proc-quote = "0.3.2"
-syn = { version = "^1.0", features = ["parsing"] }
+syn = { version = "^2.0.24", features = ["parsing"] }
 proc-macro2 = "^1.0"
 convert_case = "^0.4.0"