diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
index 85b0e77e..0608d5de 100644
--- a/crates/backend/Cargo.toml
+++ b/crates/backend/Cargo.toml
@@ -21,7 +21,7 @@ type-def = ["regex", "once_cell"]
 convert_case = "0.5"
 proc-macro2 = "1"
 quote = "1"
-syn = { version = "1", features = ["fold", "full", "extra-traits"] }
+syn = { version = "1.0.61", features = ["fold", "full", "extra-traits"] }
 
 [dependencies.regex]
 optional = true
diff --git a/crates/macro/Cargo.toml b/crates/macro/Cargo.toml
index f0900a7b..5d5c9a53 100644
--- a/crates/macro/Cargo.toml
+++ b/crates/macro/Cargo.toml
@@ -26,7 +26,7 @@ convert_case = "0.5"
 napi-derive-backend = { version = "1.0.37", path = "../backend" }
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "1.0", features = ["fold", "full", "extra-traits"] }
+syn = { version = "1.0.61", features = ["fold", "full", "extra-traits"] }
 
 [lib]
 proc-macro = true