diff --git a/geneit_backend/Cargo.lock b/geneit_backend/Cargo.lock
index fb0d38a..8e1cbb3 100644
--- a/geneit_backend/Cargo.lock
+++ b/geneit_backend/Cargo.lock
@@ -2291,9 +2291,9 @@ dependencies = [
 
 [[package]]
 name = "mailchecker"
-version = "6.0.8"
+version = "6.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76faaa86e0ba13e9a903e5eeb257e28d0711af086e3621595903c58a519c583d"
+checksum = "82d0836de021122d117987516c2c5b917e69d98b78517b777455da2ffb2e60a0"
 dependencies = [
  "fast_chemail",
  "once_cell",