diff --git a/go.mod b/go.mod
index 2b3d51d1cd..035527189e 100644
--- a/go.mod
+++ b/go.mod
@@ -18,7 +18,7 @@ require (
 	golang.org/x/sys v0.30.0
 	golang.org/x/tools v0.30.0
 	gopkg.in/yaml.v2 v2.4.0
-	tinygo.org/x/espflash v0.3.0
+	tinygo.org/x/espflasher v0.4.0
 	tinygo.org/x/go-llvm v0.0.0-20250422114502-b8f170971e74
 )
 
diff --git a/go.sum b/go.sum
index 6af085b56e..a3b398191d 100644
--- a/go.sum
+++ b/go.sum
@@ -58,7 +58,7 @@ gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-tinygo.org/x/espflash v0.3.0 h1:uhTOWZb1FyQ4MZTZWORh/bOLFQfaFr2nuM9t3pJExRM=
-tinygo.org/x/espflash v0.3.0/go.mod h1:n4sWxsjN4wjHN1lKfEYjXke6/eSeLTq/lRRLJS5FNfg=
+tinygo.org/x/espflasher v0.4.0 h1:0N+Ei+0qT/wGkGIoMaY2g+oI519VA5G4kUVUYHedTv8=
+tinygo.org/x/espflasher v0.4.0/go.mod h1:a3hRV9EETPUkfPE6P14p4A6jKKth+oD5gtQz3nmij+8=
 tinygo.org/x/go-llvm v0.0.0-20250422114502-b8f170971e74 h1:ovavgTdIBWCH8YWlcfq9gkpoyT1+IxMKSn+Df27QwE8=
 tinygo.org/x/go-llvm v0.0.0-20250422114502-b8f170971e74/go.mod h1:GFbusT2VTA4I+l4j80b17KFK+6whv69Wtny5U+T8RR0=
diff --git a/main.go b/main.go
index 425d12574a..30985022e1 100644
--- a/main.go
+++ b/main.go
@@ -32,7 +32,7 @@ import (
 	"github.com/tinygo-org/tinygo/goenv"
 	"github.com/tinygo-org/tinygo/loader"
 	"golang.org/x/tools/go/buildutil"
-	"tinygo.org/x/espflash/pkg/espflash"
+	"tinygo.org/x/espflasher/pkg/espflasher"
 	"tinygo.org/x/go-llvm"
 
 	"go.bug.st/serial"
@@ -1046,14 +1046,14 @@ const (
 )
 
 func flashBinUsingEsp32(port, resetMode, tmppath string, options *compileopts.Options) error {
-	var opts *espflash.FlasherOptions
+	var opts *espflasher.FlasherOptions
 	// On Windows, we have to explicitly specify the reset mode to use USB JTAG.
 	if runtime.GOOS == "windows" && resetMode == jtagReset {
-		opts = espflash.DefaultOptions()
-		opts.ResetMode = espflash.ResetUSBJTAG
+		opts = espflasher.DefaultOptions()
+		opts.ResetMode = espflasher.ResetUSBJTAG
 	}
 
-	flasher, err := espflash.NewFlasher(port, opts)
+	flasher, err := espflasher.New(port, opts)
 	if err != nil {
 		return err
 	}