diff --git a/crates/sync-generator/Cargo.toml b/crates/sync-generator/Cargo.toml
index f68b0d13f..9dae5f046 100644
--- a/crates/sync-generator/Cargo.toml
+++ b/crates/sync-generator/Cargo.toml
@@ -9,7 +9,7 @@ edition = { workspace = true }
 nom = "7.1.3"
 once_cell = "1.17.2"
 prisma-client-rust-sdk = { workspace = true }
-proc-macro2 = "1.0.59"
+proc-macro2 = "1.0.66"
 quote = "1.0.28"
 serde = { version = "1.0.163", features = ["derive"] }
 thiserror = "1.0.40"