diff --git a/central_backend/Cargo.toml b/central_backend/Cargo.toml
index fe86d73..ea2aa0d 100644
--- a/central_backend/Cargo.toml
+++ b/central_backend/Cargo.toml
@@ -20,7 +20,7 @@ actix-web = { version = "4.10.2", features = ["openssl"] }
 futures = "0.3.31"
 serde = { version = "1.0.215", features = ["derive"] }
 reqwest = { version = "0.12.15", features = ["json"] }
-serde_json = "1.0.131"
+serde_json = "1.0.140"
 rand = "0.9.0"
 actix = "0.13.5"
 actix-identity = "0.8.0"