diff --git a/go.mod b/go.mod
index 6ed84d0..fc42bf3 100644
--- a/go.mod
+++ b/go.mod
@@ -76,7 +76,7 @@
 	github.com/adrg/xdg v0.4.0
 	github.com/bazelbuild/rules_go v0.43.0
 	github.com/cavaliergopher/cpio v1.0.1
-	github.com/cenkalti/backoff/v4 v4.2.1
+	github.com/cenkalti/backoff/v4 v4.3.0
 	github.com/cockroachdb/cockroach-go/v2 v2.2.10
 	github.com/container-storage-interface/spec v1.8.0
 	github.com/containerd/containerd v1.7.15
diff --git a/go.sum b/go.sum
index 898f8da..11423fe 100644
--- a/go.sum
+++ b/go.sum
@@ -1065,8 +1065,9 @@
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/cenkalti/backoff/v4 v4.1.2/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
-github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
 github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.3.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
diff --git a/metropolis/node/core/network/dhcp4c/dhcpc.go b/metropolis/node/core/network/dhcp4c/dhcpc.go
index be31700..2b21cd0 100644
--- a/metropolis/node/core/network/dhcp4c/dhcpc.go
+++ b/metropolis/node/core/network/dhcp4c/dhcpc.go
@@ -163,8 +163,6 @@
 
 	state state
 
-	lastBoundTransition time.Time
-
 	iface *net.Interface
 
 	// now can be used to override time for testing
@@ -189,10 +187,9 @@
 	leaseRenewDeadline time.Time
 }
 
-// newDefaultBackoff returns an infinitely-retrying randomized exponential
-// backoff with a DHCP-appropriate InitialInterval
-func newDefaultBackoff() *backoff.ExponentialBackOff {
-	b := backoff.NewExponentialBackOff()
+// defaultBackoffOpts can be passed to NewExponentialBackOff and configures it
+// to retry infinitely and use a DHCP-appropriate InitialInterval.
+func defaultBackoffOpts(b *backoff.ExponentialBackOff) {
 	b.MaxElapsedTime = 0 // No Timeout
 	// Lots of servers wait 1s for existing users of an IP. Wait at least for
 	// that and keep some slack for randomization, communication and processing
@@ -200,7 +197,6 @@
 	b.InitialInterval = 1400 * time.Millisecond
 	b.MaxInterval = 30 * time.Second
 	b.RandomizationFactor = 0.2
-	return b
 }
 
 // NewClient instantiates (but doesn't start) a new DHCPv4 client.
@@ -221,19 +217,19 @@
 		return nil, fmt.Errorf("failed to create DHCP broadcast transport: %w", err)
 	}
 
-	discoverBackoff := newDefaultBackoff()
+	discoverBackoff := backoff.NewExponentialBackOff(defaultBackoffOpts)
 
-	acceptOfferBackoff := newDefaultBackoff()
-	// Abort after 30s and go back to discovering
-	acceptOfferBackoff.MaxElapsedTime = 30 * time.Second
+	acceptOfferBackoff := backoff.NewExponentialBackOff(defaultBackoffOpts,
+		// Abort after 30s and go back to discovering
+		backoff.WithMaxElapsedTime(30*time.Second))
 
-	renewBackoff := newDefaultBackoff()
-	// Increase maximum interval to reduce chatter when the server is down
-	renewBackoff.MaxInterval = 5 * time.Minute
+	renewBackoff := backoff.NewExponentialBackOff(defaultBackoffOpts,
+		// Increase maximum interval to reduce chatter when the server is down
+		backoff.WithMaxInterval(5*time.Minute))
 
-	rebindBackoff := newDefaultBackoff()
-	// Increase maximum interval to reduce chatter when the server is down
-	renewBackoff.MaxInterval = 5 * time.Minute
+	rebindBackoff := backoff.NewExponentialBackOff(defaultBackoffOpts,
+		// Increase maximum interval to reduce chatter when the server is down
+		backoff.WithMaxInterval(5*time.Minute))
 
 	// Check if the hardware address contains at least one non-zero value.
 	// This exists to catch undefined/non-supplied hardware address values,
@@ -250,17 +246,16 @@
 	}
 
 	return &Client{
-		state:               stateDiscovering,
-		broadcastConn:       broadcastConn,
-		unicastConn:         transport.NewUnicastTransport(iface),
-		iface:               iface,
-		RequestedOptions:    dhcpv4.OptionCodeList{},
-		lastBoundTransition: time.Now(),
-		now:                 time.Now,
-		DiscoverBackoff:     discoverBackoff,
-		AcceptOfferBackoff:  acceptOfferBackoff,
-		RenewBackoff:        renewBackoff,
-		RebindBackoff:       rebindBackoff,
+		state:              stateDiscovering,
+		broadcastConn:      broadcastConn,
+		unicastConn:        transport.NewUnicastTransport(iface),
+		iface:              iface,
+		RequestedOptions:   dhcpv4.OptionCodeList{},
+		now:                time.Now,
+		DiscoverBackoff:    discoverBackoff,
+		AcceptOfferBackoff: acceptOfferBackoff,
+		RenewBackoff:       renewBackoff,
+		RebindBackoff:      rebindBackoff,
 	}, nil
 }
 
@@ -453,14 +448,14 @@
 	receiveDeadline := sentTime.Add(wait)
 	if !s.stateDeadline.IsZero() {
 		receiveDeadline = earliestDeadline(s.stateDeadline, receiveDeadline)
-	}
 
-	// Jump out if deadline expires in less than 10ms. Minimum lease time is 1s
-	// and if we have less than 10ms to wait for an answer before switching
-	// state it makes no sense to send out another request. This nearly
-	// eliminates the problem of sending two different requests back-to-back.
-	if receiveDeadline.Add(-10 * time.Millisecond).Before(sentTime) {
-		return s.stateDeadlineExceeded()
+		// Jump out if deadline expires in less than 10ms. Minimum lease time is 1s
+		// and if we have less than 10ms to wait for an answer before switching
+		// state it makes no sense to send out another request. This nearly
+		// eliminates the problem of sending two different requests back-to-back.
+		if s.stateDeadline.Add(-10 * time.Millisecond).Before(sentTime) {
+			return s.stateDeadlineExceeded()
+		}
 	}
 
 	if err := s.transport.Send(msg); err != nil {
diff --git a/third_party/go/repositories.bzl b/third_party/go/repositories.bzl
index b95f308..dcffde4 100644
--- a/third_party/go/repositories.bzl
+++ b/third_party/go/repositories.bzl
@@ -761,8 +761,8 @@
     go_repository(
         name = "com_github_cenkalti_backoff_v4",
         importpath = "github.com/cenkalti/backoff/v4",
-        sum = "h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=",
-        version = "v4.2.1",
+        sum = "h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=",
+        version = "v4.3.0",
     )
     go_repository(
         name = "com_github_census_instrumentation_opencensus_proto",