diff --git a/Cargo.lock b/Cargo.lock
index 97dc254..0041d69 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -229,6 +229,18 @@ dependencies = [
  "cpufeatures",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -619,6 +631,16 @@ dependencies = [
  "windows-link 0.1.1",
 ]
 
+[[package]]
+name = "chumsky"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eebd66744a15ded14960ab4ccdbfb51ad3b81f51f3f04a80adac98c985396c9"
+dependencies = [
+ "hashbrown 0.14.5",
+ "stacker",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -1336,6 +1358,16 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
@@ -1999,11 +2031,12 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "lettre"
-version = "0.11.21"
+version = "0.11.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dabda5859ee7c06b995b9d1165aa52c39110e079ef609db97178d86aeb051fa7"
+checksum = "87ffd14fa289730e3ad68edefdc31f603d56fe716ec38f2076bb7410e09147c2"
 dependencies = [
  "base64",
+ "chumsky",
  "email-encoding",
  "email_address",
  "fastrand",
@@ -2016,7 +2049,7 @@ dependencies = [
  "nom",
  "percent-encoding",
  "quoted_printable",
- "socket2 0.6.3",
+ "socket2 0.5.8",
  "tokio",
  "url",
 ]
@@ -2659,6 +2692,15 @@ dependencies = [
  "prost",
 ]
 
+[[package]]
+name = "psm"
+version = "0.1.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e944464ec8536cd1beb0bbfd96987eb5e3b72f2ecdafdc5c769a37f1fa2ae1f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "quick-xml"
 version = "0.37.5"
@@ -3695,6 +3737,19 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
+[[package]]
+name = "stacker"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cddb07e32ddb770749da91081d8d0ac3a16f1a569a18b20348cd371f5dead06b"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "libc",
+ "psm",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "state"
 version = "0.6.0"