diff --git a/Cargo.lock b/Cargo.lock
index 7534dc9c..faff168c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -62,6 +62,17 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom 0.2.10",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.3"
@@ -850,6 +861,16 @@ dependencies = [
  "chrono",
 ]
 
+[[package]]
+name = "chumsky"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23170228b96236b5a7299057ac284a321457700bc8c41a4476052f0f4ba5349d"
+dependencies = [
+ "hashbrown 0.12.3",
+ "stacker",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -1952,6 +1973,9 @@ name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+dependencies = [
+ "ahash 0.7.6",
+]
 
 [[package]]
 name = "hashbrown"
@@ -1959,7 +1983,7 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
 dependencies = [
- "ahash",
+ "ahash 0.8.3",
 ]
 
 [[package]]
@@ -1968,7 +1992,7 @@ version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c6201b9ff9fd90a5a3bac2e56a830d0caa509576f0e503818ee82c181b3437a"
 dependencies = [
- "ahash",
+ "ahash 0.8.3",
  "allocator-api2",
 ]
 
@@ -2579,32 +2603,34 @@ checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
 [[package]]
 name = "lettre"
-version = "0.10.4"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76bd09637ae3ec7bd605b8e135e757980b3968430ff2b1a4a94fb7769e50166d"
+checksum = "d47084ad58f99c26816d174702f60e873f861fcef3f9bd6075b4ad2dd72d07d5"
 dependencies = [
  "async-std",
  "async-trait",
  "base64 0.21.4",
+ "chumsky",
  "email-encoding",
  "email_address",
- "fastrand 1.9.0",
+ "fastrand 2.0.0",
  "futures-io",
  "futures-util",
  "hostname",
  "httpdate",
- "idna 0.3.0",
+ "idna 0.4.0",
  "mime",
  "nom",
  "once_cell",
  "quoted_printable",
  "rustls",
  "rustls-pemfile",
- "socket2 0.4.9",
+ "socket2 0.5.4",
  "tokio",
  "tokio-rustls",
  "tracing",
- "webpki-roots 0.23.1",
+ "url",
+ "webpki-roots 0.25.2",
 ]
 
 [[package]]
@@ -4360,9 +4386,9 @@ dependencies = [
 
 [[package]]
 name = "quoted_printable"
-version = "0.4.8"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a3866219251662ec3b26fc217e3e05bf9c4f84325234dfb96bf0bf840889e49"
+checksum = "79ec282e887b434b68c18fe5c121d38e72a5cf35119b59e54ec5b992ea9c8eb0"
 
 [[package]]
 name = "rand"
@@ -4671,7 +4697,7 @@ checksum = "cd8d6c9f025a446bc4d18ad9632e69aec8f287aa84499ee335599fabd20c3fd8"
 dependencies = [
  "log",
  "ring",
- "rustls-webpki 0.101.5",
+ "rustls-webpki",
  "sct",
 ]
 
@@ -4696,16 +4722,6 @@ dependencies = [
  "base64 0.21.4",
 ]
 
-[[package]]
-name = "rustls-webpki"
-version = "0.100.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f6a5fc258f1c1276dfe3016516945546e2d5383911efc0fc4f1cdc5df3a4ae3"
-dependencies = [
- "ring",
- "untrusted",
-]
-
 [[package]]
 name = "rustls-webpki"
 version = "0.101.5"
@@ -5310,7 +5326,7 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d6753e460c998bbd4cd8c6f0ed9a64346fcca0723d6e75e52fdc351c5d2169d"
 dependencies = [
- "ahash",
+ "ahash 0.8.3",
  "atoi",
  "byteorder",
  "bytes",
@@ -5505,6 +5521,19 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
+[[package]]
+name = "stacker"
+version = "0.1.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c886bd4480155fd3ef527d45e9ac8dd7118a898a46530b7b94c3e21866259fce"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "libc",
+ "psm",
+ "winapi",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -6653,22 +6682,13 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "webpki-roots"
-version = "0.23.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b03058f88386e5ff5310d9111d53f48b17d732b401aeb83a8d5190f2ac459338"
-dependencies = [
- "rustls-webpki 0.100.3",
-]
-
 [[package]]
 name = "webpki-roots"
 version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b291546d5d9d1eab74f069c77749f2cb8504a12caa20f0f2de93ddbf6f411888"
 dependencies = [
- "rustls-webpki 0.101.5",
+ "rustls-webpki",
 ]
 
 [[package]]
diff --git a/crates/email/Cargo.toml b/crates/email/Cargo.toml
index d49e669e..bba75fc9 100644
--- a/crates/email/Cargo.toml
+++ b/crates/email/Cargo.toml
@@ -16,6 +16,6 @@ headers = "0.3.9"
 mas-templates = { path = "../templates" }
 
 [dependencies.lettre]
-version = "0.10.4"
+version = "0.11.0"
 default-features = false
 features = ["tokio1-rustls-tls", "hostname", "builder", "tracing", "pool", "smtp-transport", "sendmail-transport"]
diff --git a/crates/graphql/Cargo.toml b/crates/graphql/Cargo.toml
index c1c7994d..258c42da 100644
--- a/crates/graphql/Cargo.toml
+++ b/crates/graphql/Cargo.toml
@@ -12,7 +12,7 @@ anyhow.workspace = true
 async-graphql = { version = "6.0.7", features = ["chrono", "url"] }
 async-trait = "0.1.74"
 chrono.workspace = true
-lettre = { version = "0.10.4", default-features = false  }
+lettre = { version = "0.11.0", default-features = false  }
 serde.workspace = true
 thiserror.workspace = true
 tokio = { version = "1.33.0", features = ["sync"] }
diff --git a/crates/handlers/Cargo.toml b/crates/handlers/Cargo.toml
index 9ac0ed65..9052ea07 100644
--- a/crates/handlers/Cargo.toml
+++ b/crates/handlers/Cargo.toml
@@ -33,7 +33,7 @@ axum-extra = { version = "0.8.0", features = ["cookie-private"] }
 async-graphql = { version = "6.0.7", features = ["tracing", "apollo_tracing"] }
 
 # Emails
-lettre = { version = "0.10.4", default-features = false, features = ["builder"] }
+lettre = { version = "0.11.0", default-features = false, features = ["builder"] }
 
 # Database access
 sqlx = { version = "0.7.2", features = ["runtime-tokio-rustls", "postgres"] }