diff --git a/common/Cargo.toml b/common/Cargo.toml
index 56a88267..fcc27f0e 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -21,7 +21,7 @@ regex = "1.7.1"
 reqwest = "0.11.20"
 secp256k1 = { version = "0.28.0", features = ["recovery"] }
 serde = { version = "1.0.188", features = ["derive"] }
-serde_json = "1.0.107"
+serde_json = { version = "1.0.107", features = ["arbitrary_precision"] }
 sqlx = { version = "0.7.1", features = [
   "postgres",
   "runtime-tokio",