diff --git a/server/Cargo.toml b/server/Cargo.toml
index f9281b12..8c12b1d5 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -28,7 +28,7 @@ futures-util = {version = "0.3", default-features = false}
 hyper = {version = "0.14", features = ["full"]}
 jsonwebtoken = "8.3"
 lazy_static = "1.4"
-lettre = {version = "0.10", default-features = false, features = ["smtp-transport", "pool", "hostname", "builder", "rustls-tls", "tokio1-rustls-tls"]}
+lettre = {version = "0.11", default-features = false, features = ["smtp-transport", "pool", "hostname", "builder", "rustls-tls", "tokio1-rustls-tls"]}
 log = "0.4"
 minijinja = {version = "1.0", features = ["source", "json"]}
 once_cell = "1"