diff --git a/Cargo.lock b/Cargo.lock
index fb63420db1f9a..f2dfc9480e63b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8982,7 +8982,7 @@ dependencies = [
  "simd-json",
  "strum",
  "strum_macros",
- "syn 1.0.109",
+ "syn 2.0.48",
  "tempfile",
  "thiserror",
  "time",
diff --git a/src/connector/Cargo.toml b/src/connector/Cargo.toml
index 791cc076d12e2..19404f4065d5b 100644
--- a/src/connector/Cargo.toml
+++ b/src/connector/Cargo.toml
@@ -152,7 +152,7 @@ quote = "1"
 rand = "0.8"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.9"
-syn = { version = "1", features = ["full"] }
+syn = { version = "2", features = ["full"] }
 tempfile = "3"
 tracing-subscriber = "0.3"
 tracing-test = "0.2"