src/go.mod                | 2 +-
 src/go.sum                | 4 ++--
 src/net/http/h2_bundle.go | 2 +-
 src/vendor/modules.txt    | 2 +-

diff --git a/src/go.mod b/src/go.mod
index 3b24053b94da17f29138d60733611e1f7f769261..b6470514f127961aaa323c99819a4f1500850975 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	golang.org/x/crypto v0.11.1-0.20230711161743-2e82bdd1719d
-	golang.org/x/net v0.12.1-0.20231027154334-5ca955b1789c
+	golang.org/x/net v0.12.1-0.20240327214420-1a2eef3ba536
 )
 
 require (
diff --git a/src/go.sum b/src/go.sum
index caf8ff010daafd522661a5370844171a0a307743..670b76cde031bdc9f48cd1b6bd63755ad89d7341 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -1,7 +1,7 @@
 golang.org/x/crypto v0.11.1-0.20230711161743-2e82bdd1719d h1:LiA25/KWKuXfIq5pMIBq1s5hz3HQxhJJSu/SUGlD+SM=
 golang.org/x/crypto v0.11.1-0.20230711161743-2e82bdd1719d/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
-golang.org/x/net v0.12.1-0.20231027154334-5ca955b1789c h1:d+VvAxu4S13DWtf73R5eY//VaCk3aUcVdyYjM1SX7zw=
-golang.org/x/net v0.12.1-0.20231027154334-5ca955b1789c/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
+golang.org/x/net v0.12.1-0.20240327214420-1a2eef3ba536 h1:QEPT0Le4+itOUqHbs7yUz5y7FoAOuK1ibDlfTcVguHM=
+golang.org/x/net v0.12.1-0.20240327214420-1a2eef3ba536/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
diff --git a/src/net/http/h2_bundle.go b/src/net/http/h2_bundle.go
index dd59e1f4f2ef43d8c542d571057b7a2dcb6c25f6..032d7fe9a95a8d13db6932efe28b5c86e539a394 100644
--- a/src/net/http/h2_bundle.go
+++ b/src/net/http/h2_bundle.go
@@ -9748,7 +9748,7 @@ 			Code:     http2ErrCodeProtocol,
 		})
 		return nil
 	}
-	if !cs.firstByte {
+	if !cs.pastHeaders {
 		cc.logf("protocol error: received DATA before a HEADERS frame")
 		rl.endStreamError(cs, http2StreamError{
 			StreamID: f.StreamID,
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 4de656b0e81f82d0aa7381694809d34a977926b5..bfb8ca200f35fab54dbcdb59ffbf4f798f37ab88 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 v0.12.1-0.20231027154334-5ca955b1789c
+# golang.org/x/net v0.12.1-0.20240327214420-1a2eef3ba536
 ## explicit; go 1.17
 golang.org/x/net/dns/dnsmessage
 golang.org/x/net/http/httpguts