diff --git a/macro/Cargo.toml b/macro/Cargo.toml
index 745c196..23e2792 100644
--- a/macro/Cargo.toml
+++ b/macro/Cargo.toml
@@ -15,4 +15,4 @@ syn = { workspace = true, features = ["full"] }
 quote = { workspace = true, features = ["proc-macro"] }
 hyper = { workspace = true }
 serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
+serde_json = { workspace = true }