diff --git a/go.mod b/go.mod
index 3d02e5f97..838a53f41 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	contrib.go.opencensus.io/exporter/prometheus v0.4.0
 	contrib.go.opencensus.io/exporter/zipkin v0.1.2
 	github.com/DataDog/opencensus-go-exporter-datadog v0.0.0-20200406135749-5c268882acf0
-	github.com/caddyserver/certmagic v0.15.2
+	github.com/caddyserver/certmagic v0.15.3
 	github.com/cenkalti/backoff/v4 v4.1.2
 	github.com/cespare/xxhash/v2 v2.1.2
 	github.com/client9/misspell v0.3.4
diff --git a/go.sum b/go.sum
index 35e23488f..8b62fc430 100644
--- a/go.sum
+++ b/go.sum
@@ -206,8 +206,8 @@ github.com/butuzov/ireturn v0.1.1 h1:QvrO2QF2+/Cx1WA/vETCIYBKtRjc30vesdoPUNo1EbY
 github.com/butuzov/ireturn v0.1.1/go.mod h1:Wh6Zl3IMtTpaIKbmwzqi6olnM9ptYQxxVacMsOEFPoc=
 github.com/bytecodealliance/wasmtime-go v0.32.0 h1:/GsrnJz2bfULAIZygN4vUElLYliQrx/o/1opP9X7Gck=
 github.com/bytecodealliance/wasmtime-go v0.32.0/go.mod h1:q320gUxqyI8yB+ZqRuaJOEnGkAnHh6WtJjMaT2CW4wI=
-github.com/caddyserver/certmagic v0.15.2 h1:OMTakTsLM1ZfzMDjwvYprfUgFzpVPh3u87oxMPwmeBc=
-github.com/caddyserver/certmagic v0.15.2/go.mod h1:qhkAOthf72ufAcp3Y5jF2RaGE96oip3UbEQRIzwe3/8=
+github.com/caddyserver/certmagic v0.15.3 h1:ScY3KVV1eMIUfW74i20kDnD4eWL8T0rG6S6Wnc6nc9U=
+github.com/caddyserver/certmagic v0.15.3/go.mod h1:qhkAOthf72ufAcp3Y5jF2RaGE96oip3UbEQRIzwe3/8=
 github.com/cenkalti/backoff/v4 v4.1.2 h1:6Yo7N8UP2K6LWZnW94DLVSSrbobcWdVzAYOisuDPIFo=
 github.com/cenkalti/backoff/v4 v4.1.2/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=