src/cmd/internal/moddeps/moddeps_test.go | 2 --
 src/go.mod                               | 2 +-
 src/go.sum                               | 4 ++--
 src/vendor/modules.txt                   | 2 +-

diff --git a/src/cmd/internal/moddeps/moddeps_test.go b/src/cmd/internal/moddeps/moddeps_test.go
index 022c6ba4af20d1a96dede44cd9c870454a5363b3..41220645c6ed18d009e5d586e6ca06a88472fca1 100644
--- a/src/cmd/internal/moddeps/moddeps_test.go
+++ b/src/cmd/internal/moddeps/moddeps_test.go
@@ -31,8 +31,6 @@ //
 // See issues 36852, 41409, and 43687.
 // (Also see golang.org/issue/27348.)
 func TestAllDependencies(t *testing.T) {
-	t.Skip("TODO(#63427): 1.21.3 contains unreleased changes from vendored modules")
-
 	goBin := testenv.GoToolPath(t)
 
 	// Ensure that all packages imported within GOROOT
diff --git a/src/go.mod b/src/go.mod
index 4697da201c0b4e99c5b905f2043d1710b68908f2..2c59e161a2e2be83879d22f6e62f08eb33693d15 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -4,7 +4,7 @@ go 1.20
 
 require (
 	golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a
-	golang.org/x/net v0.4.1-0.20230214201333-88ed8ca3307d
+	golang.org/x/net v0.4.1-0.20231010172015-16ed2c89e550
 )
 
 require (
diff --git a/src/go.sum b/src/go.sum
index 625f2070b34874f7857e80302b2e99a9b1cbea87..38e6e5b4ce9a1f5ae495fea1197fbef5bbdf680b 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -1,7 +1,7 @@
 golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a h1:diz9pEYuTIuLMJLs3rGDkeaTsNyRs6duYdFyPAxzE/U=
 golang.org/x/crypto v0.3.1-0.20221117191849-2c476679df9a/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
-golang.org/x/net v0.4.1-0.20230214201333-88ed8ca3307d h1:KHU/KRz6+/yWyRHEC24m7T5gou5VSh62duch955ktBY=
-golang.org/x/net v0.4.1-0.20230214201333-88ed8ca3307d/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
+golang.org/x/net v0.4.1-0.20231010172015-16ed2c89e550 h1:esz6u1pHwcbo5lZtgSvsbxnii8/20eN+qlwyXIuCDf0=
+golang.org/x/net v0.4.1-0.20231010172015-16ed2c89e550/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 89a7c86c41dbd758e5282963f210a271b2cc4e6c..596113312705de04aa5a74c0a2749d747a66e94e 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -7,7 +7,7 @@ golang.org/x/crypto/cryptobyte/asn1
 golang.org/x/crypto/hkdf
 golang.org/x/crypto/internal/alias
 golang.org/x/crypto/internal/poly1305
-# golang.org/x/net v0.4.1-0.20230214201333-88ed8ca3307d
+# golang.org/x/net v0.4.1-0.20231010172015-16ed2c89e550
 ## explicit; go 1.17
 golang.org/x/net/dns/dnsmessage
 golang.org/x/net/http/httpguts