diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index b265a190..8af3af86 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -96,7 +96,7 @@ reqwest = { version = "0.11.18", default-features = false, features = ["json", "
 revision = "0.5.0"
 roaring = { version = "0.10.2", features = ["serde"] }
 rocksdb = { version = "0.21.0", optional = true }
-rust_decimal = { version = "1.31.0", features = ["maths"] }
+rust_decimal = { version = "1.31.0", features = ["maths", "serde-str"] }
 rust-stemmers = "1.2.0"
 rustls = { version = "0.20.8", optional = true }
 scrypt = "0.11.0"
diff --git a/lib/tests/api/mod.rs b/lib/tests/api/mod.rs
index c57c8fc4..340324cf 100644
--- a/lib/tests/api/mod.rs
+++ b/lib/tests/api/mod.rs
@@ -191,6 +191,18 @@ async fn query() {
 	assert_eq!(name, "John Doe");
 }
 
+#[tokio::test]
+async fn query_decimals() {
+	let db = new_db().await;
+	db.use_ns(NS).use_db(Ulid::new().to_string()).await.unwrap();
+	let sql = "
+	    DEFINE TABLE foo;
+	    DEFINE FIELD bar ON foo TYPE decimal;
+	    CREATE foo CONTENT { bar: 42.69 };
+    ";
+	let _ = db.query(sql).await.unwrap().check().unwrap();
+}
+
 #[tokio::test]
 async fn query_binds() {
 	let db = new_db().await;