diff --git a/geneit_backend/Cargo.lock b/geneit_backend/Cargo.lock
index 8331371..943c392 100644
--- a/geneit_backend/Cargo.lock
+++ b/geneit_backend/Cargo.lock
@@ -2296,9 +2296,9 @@ dependencies = [
 
 [[package]]
 name = "mailchecker"
-version = "6.0.11"
+version = "6.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "420f10b4e257772193900d1e1e10cb30d5b7cac399d768ed1854d8029a5a073f"
+checksum = "36f49fcebe6850c477d1f80818926938d1c376157c316c10b29bf874317aa36a"
 dependencies = [
  "fast_chemail",
  "once_cell",