diff --git a/geneit_backend/Cargo.toml b/geneit_backend/Cargo.toml
index fe7bb6e..d83bd52 100644
--- a/geneit_backend/Cargo.toml
+++ b/geneit_backend/Cargo.toml
@@ -28,7 +28,7 @@ rand = "0.9.0"
 bcrypt = "0.17.0"
 light-openid = "1.0.4"
 thiserror = "2.0.12"
-serde_with = "3.8.1"
+serde_with = "3.12.0"
 rust_iso3166 = "0.1.12"
 rust-s3 = "0.35.1"
 sha2 = "0.10.8"