diff --git a/Cargo.lock b/Cargo.lock
index 94fd14c..6e9c49e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2963,9 +2963,9 @@ dependencies = [
 
 [[package]]
 name = "lettre"
-version = "0.11.21"
+version = "0.11.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dabda5859ee7c06b995b9d1165aa52c39110e079ef609db97178d86aeb051fa7"
+checksum = "0da65617f6cb926332d039cb578aad56178da86e128db6a1b09f4c94fa5b3349"
 dependencies = [
  "async-trait",
  "base64",
diff --git a/examples/axum-email-service/Cargo.toml b/examples/axum-email-service/Cargo.toml
index 4da5a33..42c26ae 100644
--- a/examples/axum-email-service/Cargo.toml
+++ b/examples/axum-email-service/Cargo.toml
@@ -25,7 +25,7 @@ log.workspace = true
 serde_json.workspace = true
 tracing-subscriber = { workspace = true, features = ["json", "env-filter"] }
 clap.workspace = true
-lettre = { version = "0.11.19", features = [
+lettre = { version = "0.11.22", features = [
     "tracing",
     "builder",
     "smtp-transport",