diff --git a/go.mod b/go.mod
index 3b04ab6..e34cdfa 100644
--- a/go.mod
+++ b/go.mod
@@ -6,16 +6,13 @@ require (
 	blitiri.com.ar/go/log v1.1.0
 	blitiri.com.ar/go/spf v1.5.1
 	blitiri.com.ar/go/systemd v1.1.0
-	github.com/google/go-cmp v0.5.7
-	golang.org/x/crypto v0.22.0
-	golang.org/x/net v0.24.0
-	golang.org/x/term v0.19.0
-	golang.org/x/text v0.14.0
-	golang.org/x/tools v0.6.0
-	google.golang.org/protobuf v1.33.0
+	github.com/google/go-cmp v0.6.0
+	golang.org/x/crypto v0.29.0
+	golang.org/x/net v0.31.0
+	golang.org/x/term v0.26.0
+	golang.org/x/text v0.20.0
+	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d
+	google.golang.org/protobuf v1.35.2
 )
 
-require (
-	golang.org/x/sys v0.19.0 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
-)
+require golang.org/x/sys v0.27.0 // indirect
diff --git a/go.sum b/go.sum
index 0a26af4..a7dfb51 100644
--- a/go.sum
+++ b/go.sum
@@ -4,25 +4,22 @@ blitiri.com.ar/go/spf v1.5.1 h1:CWUEasc44OrANJD8CzceRnRn1Jv0LttY68cYym2/pbE=
 blitiri.com.ar/go/spf v1.5.1/go.mod h1:E71N92TfL4+Yyd5lpKuE9CAF2pd4JrUq1xQfkTxoNdk=
 blitiri.com.ar/go/systemd v1.1.0 h1:AMr7Ce/5CkvLZvGxsn/ZOagzFf3zU13rcgWdlbWMQ+Y=
 blitiri.com.ar/go/systemd v1.1.0/go.mod h1:0D9Ttrh+TX+WuKQ/dJpdhFND7NYy505v6jhsWrihmPY=
-github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
-github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
-golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
-golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
-golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
-golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/term v0.19.0 h1:+ThwsDv+tYfnJFhF4L8jITxu1tdTWRTZpdsWgEgjL6Q=
-golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
-golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+golang.org/x/crypto v0.29.0 h1:L5SG1JTTXupVV3n6sUqMTeWbjAyfPwoda2DLX8J8FrQ=
+golang.org/x/crypto v0.29.0/go.mod h1:+F4F4N5hv6v38hfeYwTdx20oUvLLc+QfrE9Ax9HtgRg=
+golang.org/x/net v0.31.0 h1:68CPQngjLL0r2AlUKiSxtQFKvzRVbnzLwMUn5SzcLHo=
+golang.org/x/net v0.31.0/go.mod h1:P4fl1q7dY2hnZFxEk4pPSkDHF+QqjitcnDjUQyMM+pM=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
+golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.26.0 h1:WEQa6V3Gja/BhNxg540hBip/kkaYtRg3cxg4oXSw4AU=
+golang.org/x/term v0.26.0/go.mod h1:Si5m1o57C5nBNQo5z1iq+XDijt21BDBDp2bK0QI8e3E=
+golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
+golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
+golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
+google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/internal/aliases/aliases.go b/internal/aliases/aliases.go
index 9f61286..0fec20e 100644
--- a/internal/aliases/aliases.go
+++ b/internal/aliases/aliases.go
@@ -178,11 +178,7 @@ func (v *Resolver) Exists(tr *trace.Trace, addr string) bool {
 
 	domain := envelope.DomainOf(addr)
 	catchAll, _ := v.lookup("*@"+domain, tr)
-	if len(catchAll) > 0 {
-		return true
-	}
-
-	return false
+	return len(catchAll) > 0
 }
 
 func (v *Resolver) lookup(addr string, tr *trace.Trace) ([]Recipient, error) {
diff --git a/internal/dkim/canonicalize.go b/internal/dkim/canonicalize.go
index c9a5357..8654697 100644
--- a/internal/dkim/canonicalize.go
+++ b/internal/dkim/canonicalize.go
@@ -8,8 +8,6 @@ import (
 )
 
 var (
-	errNoBody = errors.New("no body found")
-
 	errUnknownCanonicalization = errors.New("unknown canonicalization")
 )
 
diff --git a/monitoring.go b/monitoring.go
index 29231ed..dd5408d 100644
--- a/monitoring.go
+++ b/monitoring.go
@@ -226,7 +226,7 @@ func exitHandler(srv *http.Server) http.HandlerFunc {
 	}
 }
 
-func debugFlagsHandler(w http.ResponseWriter, r *http.Request) {
+func debugFlagsHandler(w http.ResponseWriter, _ *http.Request) {
 	visited := make(map[string]bool)
 
 	// Print set flags first, then the rest.
@@ -245,7 +245,7 @@ func debugFlagsHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func debugConfigHandler(conf *config.Config) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
+	return func(w http.ResponseWriter, _ *http.Request) {
 		_, _ = w.Write([]byte(prototext.Format(conf)))
 	}
 }