diff --git a/Cargo.lock b/Cargo.lock
index 1943bdc4e6cda..9a8b24811b6f2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -9621,7 +9621,7 @@ dependencies = [
  "quote 1.0.26",
  "serde",
  "serde_json",
- "syn 1.0.109",
+ "syn 2.0.3",
 ]
 
 [[package]]
@@ -9634,7 +9634,7 @@ dependencies = [
  "quote 1.0.26",
  "serde",
  "serde_derive_internals",
- "syn 1.0.109",
+ "syn 2.0.3",
  "vector-config",
  "vector-config-common",
 ]
diff --git a/lib/vector-config-common/Cargo.toml b/lib/vector-config-common/Cargo.toml
index fc9025f49af8d..9891348f98206 100644
--- a/lib/vector-config-common/Cargo.toml
+++ b/lib/vector-config-common/Cargo.toml
@@ -10,5 +10,5 @@ indexmap = { version = "1.9", default-features = false, features = ["serde"] }
 proc-macro2 = { version = "1.0", default-features = false }
 serde = { version = "1.0", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0", default-features = false, features = ["std"] }
-syn = { version = "1.0", features = ["full", "extra-traits", "visit-mut", "visit"] }
+syn = { version = "2.0", features = ["full", "extra-traits", "visit-mut", "visit"] }
 quote = { version = "1.0", default-features = false }
diff --git a/lib/vector-config-macros/Cargo.toml b/lib/vector-config-macros/Cargo.toml
index 81c7eabc9b0d9..c4ec05b98d83f 100644
--- a/lib/vector-config-macros/Cargo.toml
+++ b/lib/vector-config-macros/Cargo.toml
@@ -13,7 +13,7 @@ itertools = { version = "0.10.5", default-features = false, features = ["use_std
 proc-macro2 = { version = "1.0", default-features = false }
 quote = { version = "1.0", default-features = false }
 serde_derive_internals = "0.26"
-syn = { version = "1.0", default-features = false, features = ["full", "extra-traits", "visit-mut", "visit"] }
+syn = { version = "2.0", default-features = false, features = ["full", "extra-traits", "visit-mut", "visit"] }
 vector-config-common = { path = "../vector-config-common" }
 
 [dev-dependencies]