diff --git a/go.mod b/go.mod
index dd83ed9cfa2..67fe8e59c89 100644
--- a/go.mod
+++ b/go.mod
@@ -19,7 +19,7 @@ require (
 	github.com/klauspost/cpuid/v2 v2.2.8
 	github.com/mholt/acmez/v2 v2.0.3
 	github.com/prometheus/client_golang v1.19.1
-	github.com/quic-go/quic-go v0.47.0
+	github.com/quic-go/quic-go v0.48.0
 	github.com/smallstep/certificates v0.26.1
 	github.com/smallstep/nosql v0.6.1
 	github.com/smallstep/truststore v0.13.0
diff --git a/go.sum b/go.sum
index f12b4b3c1c1..0956dffd2f0 100644
--- a/go.sum
+++ b/go.sum
@@ -392,8 +392,8 @@ github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
 github.com/quic-go/qpack v0.5.1 h1:giqksBPnT/HDtZ6VhtFKgoLOWmlyo9Ei6u9PqzIMbhI=
 github.com/quic-go/qpack v0.5.1/go.mod h1:+PC4XFrEskIVkcLzpEkbLqq1uCoxPhQuvK5rH1ZgaEg=
-github.com/quic-go/quic-go v0.47.0 h1:yXs3v7r2bm1wmPTYNLKAAJTHMYkPEsfYJmTazXrCZ7Y=
-github.com/quic-go/quic-go v0.47.0/go.mod h1:3bCapYsJvXGZcipOHuu7plYtaV6tnF+z7wIFsU0WK9E=
+github.com/quic-go/quic-go v0.48.0 h1:2TCyvBrMu1Z25rvIAlnp2dPT4lgh/uTqLqiXVpp5AeU=
+github.com/quic-go/quic-go v0.48.0/go.mod h1:yBgs3rWBOADpga7F+jJsb6Ybg1LSYiQvwWlLX+/6HMs=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
diff --git a/modules/caddyhttp/reverseproxy/httptransport.go b/modules/caddyhttp/reverseproxy/httptransport.go
index bc82337880c..2b4c3f094b0 100644
--- a/modules/caddyhttp/reverseproxy/httptransport.go
+++ b/modules/caddyhttp/reverseproxy/httptransport.go
@@ -142,7 +142,7 @@ type HTTPTransport struct {
 	Transport *http.Transport `json:"-"`
 
 	h2cTransport *http2.Transport
-	h3Transport  *http3.RoundTripper // TODO: EXPERIMENTAL (May 2024)
+	h3Transport  *http3.Transport // TODO: EXPERIMENTAL (May 2024)
 }
 
 // CaddyModule returns the Caddy module information.
@@ -393,7 +393,7 @@ func (h *HTTPTransport) NewTransport(caddyCtx caddy.Context) (*http.Transport, e
 	// do (that'd add latency and complexity, besides, we expect that
 	// site owners  control the backends), so it must be exclusive
 	if len(h.Versions) == 1 && h.Versions[0] == "3" {
-		h.h3Transport = new(http3.RoundTripper)
+		h.h3Transport = new(http3.Transport)
 		if h.TLS != nil {
 			var err error
 			h.h3Transport.TLSClientConfig, err = h.TLS.MakeTLSClientConfig(caddyCtx)