awslabs
diff --git a/‎Cargo.lock
+12-27 b/‎Cargo.lock
+12-27
diff --git a/‎lambda-attributes/Cargo.toml
+1-1 b/‎lambda-attributes/Cargo.toml
+1-1
@@ -8,6 +8,6 @@ edition = "2018"
 proc-macro = true
 
 [dependencies]
-proc-macro2 = { version = "0.4.30" }
+proc-macro2 = "1.0"
 syn = { version = "1.0.5", features = ["full"] }
 quote = "1"