diff --git a/Cargo.lock b/Cargo.lock
index 5e24349..69bee08 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1866,9 +1866,9 @@ checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
 
 [[package]]
 name = "mailchecker"
-version = "6.0.1"
+version = "6.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a1951055840e30b5c9c60fcadca14b0b9962797a6228d4e5a73e438a3185ed"
+checksum = "8e885debd7ec404b1f061a9c8ccd089ec31180264992d0549b669dd16cb3b1b3"
 dependencies = [
  "fast_chemail",
  "once_cell",
diff --git a/Cargo.toml b/Cargo.toml
index 85b56b2..8fcf77d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,4 +39,4 @@ light-openid = { version = "1.0.2", features = ["crypto-wrapper"] }
 bincode = "2.0.0-rc.3"
 chrono = "0.4.37"
 lazy_static = "1.4.0"
-mailchecker = "6.0.1"
+mailchecker = "6.0.3"