diff --git a/go.mod b/go.mod
index b0c63966..ec7048bb 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	code.cloudfoundry.org/debugserver v0.103.0
 	code.cloudfoundry.org/diego-logging-client v0.114.0
 	code.cloudfoundry.org/lager/v3 v3.76.0
-	code.cloudfoundry.org/localip v0.76.0
+	code.cloudfoundry.org/localip v0.79.0
 	code.cloudfoundry.org/locket v1.4.0
 	code.cloudfoundry.org/runtimeschema v0.0.0-20240514235758-31be7684c5bf
 	code.cloudfoundry.org/workpool v0.0.0-20250911194158-1489753f182e
@@ -52,7 +52,7 @@ require (
 	golang.org/x/net v0.56.0 // indirect
 	golang.org/x/sync v0.21.0 // indirect
 	golang.org/x/sys v0.46.0 // indirect
-	golang.org/x/text v0.38.0 // indirect
+	golang.org/x/text v0.39.0 // indirect
 	golang.org/x/tools v0.47.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20260622175928-b703f567277d // indirect
 	google.golang.org/grpc v1.81.1 // indirect
diff --git a/go.sum b/go.sum
index 4ed0fa85..5b2c0230 100644
--- a/go.sum
+++ b/go.sum
@@ -616,8 +616,8 @@ code.cloudfoundry.org/go-loggregator/v9 v9.2.1 h1:S6Lgg5UJbhh2bt2TGQxs6R00CF8PrU
 code.cloudfoundry.org/go-loggregator/v9 v9.2.1/go.mod h1:FTFFruqGeOhVCDFvyLgl8EV8YW63NNwRzLhxJcporu8=
 code.cloudfoundry.org/lager/v3 v3.76.0 h1:GwXyviDrEdpljKv8nJHTDeFTeDX5pWqToX57DeRWIxg=
 code.cloudfoundry.org/lager/v3 v3.76.0/go.mod h1:UbGWNmeqshoJ5QNFGERhmvkWdkOiGFjOP2KhYNCLVts=
-code.cloudfoundry.org/localip v0.76.0 h1:B9YZk1NZIoGbw6rIzveRxY68sYm59mCogwyyPOkRkJ0=
-code.cloudfoundry.org/localip v0.76.0/go.mod h1:SVPhhnYujmCxa2N9E58K4Tdi36U1oCNIBiQ8T1ziM10=
+code.cloudfoundry.org/localip v0.79.0 h1:0+JZjSCDyRH8BAAgmjlc2N6isI34bascEn13fodbpDU=
+code.cloudfoundry.org/localip v0.79.0/go.mod h1:RRRmEb53pXYHX9tec+Eoa1udkR++24ywOQkJeM1rS2Y=
 code.cloudfoundry.org/locket v1.4.0 h1:IGIP2dUqsSoxnYwW8Wo8rGa60xSFf0pvgKc4xajWvEA=
 code.cloudfoundry.org/locket v1.4.0/go.mod h1:TrEFo5aCjQlXdKyrQ7L5csgpCOQ49iigKRAeTEIsOGo=
 code.cloudfoundry.org/runtimeschema v0.0.0-20240514235758-31be7684c5bf h1:sTpfHaU+tgDeRO/fRnyr91gvf1FaJk3ZNiJHiHq4nko=
@@ -1337,8 +1337,8 @@ golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.38.0 h1:sXmwo9DwP3OK9EZ7PqAdaooSGozfl/3a6/xJcbzPRhE=
-golang.org/x/text v0.38.0/go.mod h1:YXZt3QhHUKYT53r2lLKFIVi6Ao1jdzrTR/KQ09qyxF4=
+golang.org/x/text v0.39.0 h1:UbZz4pLOvn600D6Oh6GGEI6VAmndrEBLv8/6BEXzyus=
+golang.org/x/text v0.39.0/go.mod h1:3UwRclnC2g0TU9x8PZiyfOajCd1zaUNHF9cvqcQZ+ZM=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
diff --git a/vendor/golang.org/x/text/unicode/norm/forminfo.go b/vendor/golang.org/x/text/unicode/norm/forminfo.go
index f3a234e5..b3cf5d9b 100644
--- a/vendor/golang.org/x/text/unicode/norm/forminfo.go
+++ b/vendor/golang.org/x/text/unicode/norm/forminfo.go
@@ -121,8 +121,12 @@ func (p Properties) BoundaryAfter() bool {
 //
 // When all 6 bits are zero, the character is inert, meaning it is never
 // influenced by normalization.
+//
+// We set flags to 0x80 (high bit 7 unused in quick check data) to indicate an invalid rune.
 type qcInfo uint8
 
+func (p Properties) isInvalid() bool { return p.flags == 0x80 }
+
 func (p Properties) isYesC() bool { return p.flags&0x10 == 0 }
 func (p Properties) isYesD() bool { return p.flags&0x4 == 0 }
 
@@ -247,6 +251,9 @@ func (f Form) PropertiesString(s string) Properties {
 // to a Properties.  See the comment at the top of the file
 // for more information on the format.
 func compInfo(v uint16, sz int) Properties {
+	if sz == 0 {
+		return Properties{flags: 0x80, size: 1}
+	}
 	if v == 0 {
 		return Properties{size: uint8(sz)}
 	} else if v >= 0x8000 {
@@ -254,7 +261,7 @@ func compInfo(v uint16, sz int) Properties {
 			size:  uint8(sz),
 			ccc:   uint8(v),
 			tccc:  uint8(v),
-			flags: qcInfo(v >> 8),
+			flags: qcInfo(v>>8) & 0x3f,
 		}
 		if p.ccc > 0 || p.combinesBackward() {
 			p.nLead = uint8(p.flags & 0x3)
diff --git a/vendor/golang.org/x/text/unicode/norm/iter.go b/vendor/golang.org/x/text/unicode/norm/iter.go
index 417c6b26..3cc05922 100644
--- a/vendor/golang.org/x/text/unicode/norm/iter.go
+++ b/vendor/golang.org/x/text/unicode/norm/iter.go
@@ -376,16 +376,12 @@ func nextComposed(i *Iter) []byte {
 			goto doNorm
 		}
 		prevCC = i.info.tccc
-		sz := int(i.info.size)
-		if sz == 0 {
-			sz = 1 // illegal rune: copy byte-by-byte
-		}
-		p := outp + sz
+		p := outp + int(i.info.size)
 		if p > len(i.buf) {
 			break
 		}
 		outp = p
-		i.p += sz
+		i.p += int(i.info.size)
 		if i.p >= i.rb.nsrc {
 			i.setDone()
 			break
diff --git a/vendor/golang.org/x/text/unicode/norm/normalize.go b/vendor/golang.org/x/text/unicode/norm/normalize.go
index 4747ad07..60b1511c 100644
--- a/vendor/golang.org/x/text/unicode/norm/normalize.go
+++ b/vendor/golang.org/x/text/unicode/norm/normalize.go
@@ -148,7 +148,7 @@ func (f Form) IsNormalString(s string) bool {
 // patched buffer and whether the decomposition is still in progress.
 func patchTail(rb *reorderBuffer) bool {
 	info, p := lastRuneStart(&rb.f, rb.out)
-	if p == -1 || info.size == 0 {
+	if p == -1 || info.isInvalid() {
 		return true
 	}
 	end := p + int(info.size)
@@ -225,7 +225,7 @@ func doAppend(rb *reorderBuffer, out []byte, p int) []byte {
 	}
 	fd := &rb.f
 	if doMerge {
-		var info Properties
+		info := Properties{flags: 0x80, size: 1} // invalid rune
 		if p < n {
 			info = fd.info(src, p)
 			if !info.BoundaryBefore() || info.nLeadingNonStarters() > 0 {
@@ -235,7 +235,7 @@ func doAppend(rb *reorderBuffer, out []byte, p int) []byte {
 				p = decomposeSegment(rb, p, true)
 			}
 		}
-		if info.size == 0 {
+		if info.isInvalid() {
 			rb.doFlush()
 			// Append incomplete UTF-8 encoding.
 			return src.appendSlice(rb.out, p, n)
@@ -314,7 +314,7 @@ func (f *formInfo) quickSpan(src input, i, end int, atEOF bool) (n int, ok bool)
 			continue
 		}
 		info := f.info(src, i)
-		if info.size == 0 {
+		if info.isInvalid() {
 			if atEOF {
 				// include incomplete runes
 				return n, true
@@ -379,7 +379,7 @@ func (f Form) firstBoundary(src input, nsrc int) int {
 	// CGJ insertion points correctly. Luckily it doesn't have to.
 	for {
 		info := fd.info(src, i)
-		if info.size == 0 {
+		if info.isInvalid() {
 			return -1
 		}
 		if s := ss.next(info); s != ssSuccess {
@@ -424,7 +424,7 @@ func (f Form) nextBoundary(src input, nsrc int, atEOF bool) int {
 	}
 	fd := formTable[f]
 	info := fd.info(src, 0)
-	if info.size == 0 {
+	if info.isInvalid() {
 		if atEOF {
 			return 1
 		}
@@ -435,7 +435,7 @@ func (f Form) nextBoundary(src input, nsrc int, atEOF bool) int {
 
 	for i := int(info.size); i < nsrc; i += int(info.size) {
 		info = fd.info(src, i)
-		if info.size == 0 {
+		if info.isInvalid() {
 			if atEOF {
 				return i
 			}
@@ -465,7 +465,7 @@ func lastBoundary(fd *formInfo, b []byte) int {
 	if p == -1 {
 		return -1
 	}
-	if info.size == 0 { // ends with incomplete rune
+	if info.isInvalid() { // ends with incomplete rune
 		if p == 0 { // starts with incomplete rune
 			return -1
 		}
@@ -504,7 +504,7 @@ func lastBoundary(fd *formInfo, b []byte) int {
 func decomposeSegment(rb *reorderBuffer, sp int, atEOF bool) int {
 	// Force one character to be consumed.
 	info := rb.f.info(rb.src, sp)
-	if info.size == 0 {
+	if info.isInvalid() {
 		return 0
 	}
 	if s := rb.ss.next(info); s == ssStarter {
@@ -528,7 +528,7 @@ func decomposeSegment(rb *reorderBuffer, sp int, atEOF bool) int {
 			break
 		}
 		info = rb.f.info(rb.src, sp)
-		if info.size == 0 {
+		if info.isInvalid() {
 			if !atEOF {
 				return int(iShortSrc)
 			}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 419a5318..228562d2 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -45,7 +45,7 @@ code.cloudfoundry.org/lager/v3/internal/truncate
 code.cloudfoundry.org/lager/v3/lagerctx
 code.cloudfoundry.org/lager/v3/lagerflags
 code.cloudfoundry.org/lager/v3/lagertest
-# code.cloudfoundry.org/localip v0.76.0
+# code.cloudfoundry.org/localip v0.79.0
 ## explicit; go 1.25.0
 code.cloudfoundry.org/localip
 # code.cloudfoundry.org/locket v1.4.0
@@ -257,7 +257,7 @@ golang.org/x/sync/errgroup
 golang.org/x/sys/cpu
 golang.org/x/sys/unix
 golang.org/x/sys/windows
-# golang.org/x/text v0.38.0
+# golang.org/x/text v0.39.0
 ## explicit; go 1.25.0
 golang.org/x/text/encoding
 golang.org/x/text/encoding/charmap