diff --git a/go.mod b/go.mod
index 17aa3d49..dbdea2e8 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/emersion/go-sasl v0.0.0-20231106173351-e73c9f7bad43
-	github.com/emersion/go-smtp v0.20.1
+	github.com/emersion/go-smtp v0.20.2
 	github.com/fsnotify/fsnotify v1.7.0
 	github.com/google/uuid v1.6.0
 	github.com/jinzhu/copier v0.4.0
diff --git a/go.sum b/go.sum
index f2dca3fa..67b1bb02 100644
--- a/go.sum
+++ b/go.sum
@@ -11,8 +11,8 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8Yc
 github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=
 github.com/emersion/go-sasl v0.0.0-20231106173351-e73c9f7bad43 h1:hH4PQfOndHDlpzYfLAAfl63E8Le6F2+EL/cdhlkyRJY=
 github.com/emersion/go-sasl v0.0.0-20231106173351-e73c9f7bad43/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=
-github.com/emersion/go-smtp v0.20.1 h1:kW8Nkzomjk6W1ebfUYy6wAYThukCzD9MFOkFnragOHc=
-github.com/emersion/go-smtp v0.20.1/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
+github.com/emersion/go-smtp v0.20.2 h1:peX42Qnh5Q0q3vrAnRy43R/JwTnnv75AebxbkTL7Ia4=
+github.com/emersion/go-smtp v0.20.2/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
 github.com/emicklei/go-restful/v3 v3.11.2 h1:1onLa9DcsMYO9P+CXaL0dStDqQ2EHHXLiz+BtnqkLAU=
 github.com/emicklei/go-restful/v3 v3.11.2/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=