diff --git a/go.mod b/go.mod
index 5262d62a6e9b6402cf97776ac63e3b0069800159..55eca2dfc5fa43461bd788c1be9d60e7f3e23ccc 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.15
 
 require (
 	github.com/chrj/smtpd v0.3.1
-	github.com/jhillyerd/enmime v0.9.2
+	github.com/jhillyerd/enmime v0.10.0
 	github.com/oschwald/geoip2-golang v1.5.0
 	github.com/prometheus/client_golang v1.11.0
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
diff --git a/go.sum b/go.sum
index 8f536be8630770dd1a42b024fee1ac0c08f7709e..14a2696990dffee77f9c4707fd14fa2f17c359e2 100644
--- a/go.sum
+++ b/go.sum
@@ -51,6 +51,8 @@ github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7 h1:g0fAGBisHaE
 github.com/jaytaylor/html2text v0.0.0-20200412013138-3577fbdbcff7/go.mod h1:CVKlgaMiht+LXvHG173ujK6JUhZXKb2u/BQtjPDIvyk=
 github.com/jhillyerd/enmime v0.9.2 h1:Njvy7yubcX21WaM+kWdVxGFJ99Rk6xHqgon3Ep++qDw=
 github.com/jhillyerd/enmime v0.9.2/go.mod h1:S5ge4lnv/dDDBbAWwtoOFlj14NHiXdw/EqMB2lJz3b8=
+github.com/jhillyerd/enmime v0.10.0 h1:DZEzhptPRBesvN3gf7K1BOh4rfpqdsdrEoxW1Edr/3s=
+github.com/jhillyerd/enmime v0.10.0/go.mod h1:Qpe8EEemJMFAF8+NZoWdpXvK2Yb9dRF0k/z6mkcDHsA=
 github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=