diff --git a/go.mod b/go.mod
index 2d543d82..1908db86 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ require (
 	github.com/btcsuite/btcd/btcutil v1.1.5
 	github.com/btcsuite/btcd/chaincfg/chainhash v1.1.0
 	github.com/btcsuite/btcd/v2transport v1.0.1
-	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
+	github.com/btcsuite/btclog v0.0.0-20241003133417-09c4e92e319c
 	github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd
 	github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792
 	github.com/btcsuite/winsvc v1.0.0
@@ -24,6 +24,7 @@ require (
 
 require (
 	github.com/aead/siphash v1.0.1 // indirect
+	github.com/btcsuite/btclog/v2 v2.0.0 // indirect
 	github.com/decred/dcrd/crypto/blake256 v1.0.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23 // indirect
diff --git a/go.sum b/go.sum
index 58fc7324..0a474856 100644
--- a/go.sum
+++ b/go.sum
@@ -19,6 +19,10 @@ github.com/btcsuite/btcd/v2transport v1.0.1 h1:pIyyyBCPwd087K3Wdb/9tIvUubAQdzTJg
 github.com/btcsuite/btcd/v2transport v1.0.1/go.mod h1:N6H0HGSElVVJKntzaYHYVbW71DtWDLMw2yhwVRO3ZOE=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo=
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
+github.com/btcsuite/btclog v0.0.0-20241003133417-09c4e92e319c h1:4HxD1lBUGUddhzgaNgrCPsFWd7cGYNpeFUgd9ZIgyM0=
+github.com/btcsuite/btclog v0.0.0-20241003133417-09c4e92e319c/go.mod h1:w7xnGOhwT3lmrS4H3b/D1XAXxvh+tbhUm8xeHN2y3TQ=
+github.com/btcsuite/btclog/v2 v2.0.0 h1:ZfOBItEeLWfU0voi88K72j8vtxP4/dHhxRFf2bxZkVo=
+github.com/btcsuite/btclog/v2 v2.0.0/go.mod h1:XItGUfVOxotJL8kkuk2Hj3EVow5KCugXl3wWfQ6K0AE=
 github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd h1:R/opQEbFEy9JGkIguV40SvRY1uliPX8ifOvi6ICsFCw=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
diff --git a/log.go b/log.go
index 55be25ca..86ee163e 100644
--- a/log.go
+++ b/log.go
@@ -23,7 +23,8 @@ import (
 	"github.com/btcsuite/btcd/txscript"
 	"github.com/btcsuite/btcd/v2transport"
 
-	"github.com/btcsuite/btclog"
+	btclogv1 "github.com/btcsuite/btclog"
+	"github.com/btcsuite/btclog/v2"
 	"github.com/jrick/logrotate/rotator"
 )
 
@@ -49,7 +50,10 @@ var (
 	// backendLog is the logging backend used to create all subsystem loggers.
 	// The backend must not be used before the log rotator has been initialized,
 	// or data races and/or nil pointer dereferences will occur.
-	backendLog = btclog.NewBackend(logWriter{})
+	backendLog = btclogv1.NewBackend(logWriter{})
+
+	// backendLogV2 is the v2 logging backend for subsystems using btclog/v2.
+	backendLogV2 = btclog.NewSLogger(btclog.NewDefaultHandler(logWriter{}))
 
 	// logRotator is one of the logging outputs.  It should be closed on
 	// application shutdown.
@@ -69,7 +73,7 @@ var (
 	scrpLog = backendLog.Logger("SCRP")
 	srvrLog = backendLog.Logger("SRVR")
 	syncLog = backendLog.Logger("SYNC")
-	txmpLog = backendLog.Logger("TXMP")
+	txmpLog = backendLogV2.SubSystem("TXMP")
 	v2trLog = backendLog.Logger(v2transport.Subsystem)
 )
 
@@ -90,7 +94,7 @@ func init() {
 }
 
 // subsystemLoggers maps each subsystem identifier to its associated logger.
-var subsystemLoggers = map[string]btclog.Logger{
+var subsystemLoggers = map[string]any{
 	"ADXR":                adxrLog,
 	"AMGR":                amgrLog,
 	"CMGR":                cmgrLog,
@@ -140,7 +144,14 @@ func setLogLevel(subsystemID string, logLevel string) {
 
 	// Defaults to info if the log level is invalid.
 	level, _ := btclog.LevelFromString(logLevel)
-	logger.SetLevel(level)
+
+	// Handle both v1 and v2 loggers.
+	switch l := logger.(type) {
+	case btclogv1.Logger:
+		l.SetLevel(btclogv1.Level(level))
+	case btclog.Logger:
+		l.SetLevel(level)
+	}
 }
 
 // setLogLevels sets the log level for all subsystem loggers to the passed
diff --git a/mempool/log.go b/mempool/log.go
index 1381af33..0a6343c6 100644
--- a/mempool/log.go
+++ b/mempool/log.go
@@ -5,7 +5,7 @@
 package mempool
 
 import (
-	"github.com/btcsuite/btclog"
+	"github.com/btcsuite/btclog/v2"
 )
 
 // log is a logger that is initialized with no output filters.  This