diff --git a/geneit_backend/Cargo.lock b/geneit_backend/Cargo.lock
index 16f4af9..435762b 100644
--- a/geneit_backend/Cargo.lock
+++ b/geneit_backend/Cargo.lock
@@ -2169,9 +2169,9 @@ checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
 
 [[package]]
 name = "lettre"
-version = "0.11.10"
+version = "0.11.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0161e452348e399deb685ba05e55ee116cae9410f4f51fe42d597361444521d9"
+checksum = "ab4c9a167ff73df98a5ecc07e8bf5ce90b583665da3d1762eb1f775ad4d0d6f5"
 dependencies = [
  "base64",
  "chumsky",