diff --git a/Cargo.lock b/Cargo.lock
index 8118d7a..4f8b73b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "ansi_term"
@@ -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 = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 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 = "1.0.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
 dependencies = [
  "proc-macro2",
 ]
@@ -189,7 +189,7 @@ dependencies = [
  "proc-macro2",
  "proc-quote",
  "quote",
- "syn",
+ "syn 2.0.117",
 ]
 
 [[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 = "2.0.117"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
+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 = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
diff --git a/safe-builder-derive/Cargo.toml b/safe-builder-derive/Cargo.toml
index 523b9d7..5cc55c2 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 = "^2.0.0", features = ["parsing"] }
 proc-macro2 = "^1.0"
 convert_case = "^0.4.0"