diff --git a/geneit_backend/Cargo.lock b/geneit_backend/Cargo.lock
index 562c468..aa4cd85 100644
--- a/geneit_backend/Cargo.lock
+++ b/geneit_backend/Cargo.lock
@@ -2343,9 +2343,9 @@ dependencies = [
 
 [[package]]
 name = "mailchecker"
-version = "6.0.18"
+version = "6.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf91b5ebc7779f9dd9c59082f569f93b0b6f01cc80dc185bb79146f6ec32e25a"
+checksum = "abad4bc63045f04cfc55aa4c55d4ec0a890c377ce56463bfc2adc2bc059c4b84"
 dependencies = [
  "fast_chemail",
  "once_cell",
diff --git a/geneit_backend/Cargo.toml b/geneit_backend/Cargo.toml
index 5fe8e08..e7befb9 100644
--- a/geneit_backend/Cargo.toml
+++ b/geneit_backend/Cargo.toml
@@ -21,7 +21,7 @@ diesel = { version = "2.2.12", features = ["postgres"] }
 diesel_migrations = "2.2.0"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.145"
-mailchecker = "6.0.18"
+mailchecker = "6.0.19"
 redis = "0.32.7"
 lettre = "0.11.19"
 rand = "0.9.2"