diff --git a/bazel/external/quiche.BUILD b/bazel/external/quiche.BUILD
index 667c1254e3c7..03f9b143274a 100644
--- a/bazel/external/quiche.BUILD
+++ b/bazel/external/quiche.BUILD
@@ -2906,6 +2906,7 @@ envoy_quic_cc_library(
         ":quic_core_versions_lib",
         ":quic_platform_base",
         ":quiche_common_text_utils_lib",
+        ":quiche_common_wire_serialization",
         "@com_google_absl//absl/cleanup",
     ],
 )
@@ -2929,6 +2930,7 @@ envoy_cc_library(
         "quiche/quic/core/frames/quic_path_challenge_frame.cc",
         "quiche/quic/core/frames/quic_path_response_frame.cc",
         "quiche/quic/core/frames/quic_ping_frame.cc",
+        "quiche/quic/core/frames/quic_reset_stream_at_frame.cc",
         "quiche/quic/core/frames/quic_retire_connection_id_frame.cc",
         "quiche/quic/core/frames/quic_rst_stream_frame.cc",
         "quiche/quic/core/frames/quic_stop_sending_frame.cc",
@@ -2956,6 +2958,7 @@ envoy_cc_library(
         "quiche/quic/core/frames/quic_path_challenge_frame.h",
         "quiche/quic/core/frames/quic_path_response_frame.h",
         "quiche/quic/core/frames/quic_ping_frame.h",
+        "quiche/quic/core/frames/quic_reset_stream_at_frame.h",
         "quiche/quic/core/frames/quic_retire_connection_id_frame.h",
         "quiche/quic/core/frames/quic_rst_stream_frame.h",
         "quiche/quic/core/frames/quic_stop_sending_frame.h",
@@ -3571,15 +3574,6 @@ envoy_quic_cc_library(
     ],
 )
 
-envoy_cc_library(
-    name = "quic_core_protocol_flags_list_lib",
-    hdrs = ["quiche/quic/core/quic_protocol_flags_list.h"],
-    copts = quiche_copts,
-    repository = "@envoy",
-    tags = ["nofips"],
-    visibility = ["//visibility:public"],
-)
-
 envoy_quic_cc_library(
     name = "quic_core_qpack_blocking_manager_lib",
     srcs = ["quiche/quic/core/qpack/qpack_blocking_manager.cc"],
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index af45e3fc63f2..65e74866380a 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -1175,12 +1175,12 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "QUICHE",
         project_desc = "QUICHE (QUIC, HTTP/2, Etc) is Google‘s implementation of QUIC and related protocols",
         project_url = "https://github.com/google/quiche",
-        version = "83a9e81296b36898025bce1110db9f9c4f23afd3",
-        sha256 = "0bc1ca361439140b8c8add9bceb9478a037e87954bd9d22e819bf73818443026",
+        version = "9e875938052443c7f51b25012093be59e20598ac",
+        sha256 = "ae1d45c62b1a0e43384697c1becd8f8d3bf6624ba0dd05a0334b319aafecb1ef",
         urls = ["https://github.com/google/quiche/archive/{version}.tar.gz"],
         strip_prefix = "quiche-{version}",
         use_category = ["controlplane", "dataplane_core"],
-        release_date = "2024-01-12",
+        release_date = "2024-02-15",
         cpe = "N/A",
         license = "BSD-3-Clause",
         license_url = "https://github.com/google/quiche/blob/{version}/LICENSE",
diff --git a/changelogs/1.29.1.yaml b/changelogs/1.29.1.yaml
index 31831f89848b..32f4f32c25d7 100644
--- a/changelogs/1.29.1.yaml
+++ b/changelogs/1.29.1.yaml
@@ -27,6 +27,9 @@ bug_fixes:
     Fix crash due to uncaught exception when the operating system does not support an address type (such as IPv6) that is
     received in an mTLS client cert IP SAN. These SANs will be ignored. This applies only when using formatter
     ``%DOWNSTREAM_PEER_IP_SAN%``.
+- area: deps
+  change: |
+    Updated QUICHE dependencies to incorporate fixes for https://github.com/envoyproxy/envoy/issues/32401.
 
 removed_config_or_runtime:
 - area: postgres proxy
diff --git a/source/common/quic/platform/BUILD b/source/common/quic/platform/BUILD
index ad64a7bc53e9..d10213a60dc9 100644
--- a/source/common/quic/platform/BUILD
+++ b/source/common/quic/platform/BUILD
@@ -48,7 +48,6 @@ envoy_quiche_platform_impl_cc_library(
         "//source/common/common:assert_lib",
         "//source/common/http:utility_lib",
         "@com_github_google_quiche//:quic_core_flags_list_lib",
-        "@com_github_google_quiche//:quic_core_protocol_flags_list_lib",
         "@com_github_google_quiche//:quiche_protocol_flags_list_lib",
         "@com_google_absl//absl/flags:flag",
     ],
diff --git a/source/common/quic/platform/quiche_flags_impl.cc b/source/common/quic/platform/quiche_flags_impl.cc
index 60dc6622a7a7..e9d19e841830 100644
--- a/source/common/quic/platform/quiche_flags_impl.cc
+++ b/source/common/quic/platform/quiche_flags_impl.cc
@@ -80,10 +80,6 @@ template <> constexpr int32_t maybeOverride<int32_t>(absl::string_view name, int
 #define PROTOCOL_FLAG_MACRO_CHOOSER(...)                                                           \
   GET_6TH_ARG(__VA_ARGS__, DEFINE_PROTOCOL_FLAG_TWO_VALUES, DEFINE_PROTOCOL_FLAG_SINGLE_VALUE)
 
-#define QUIC_PROTOCOL_FLAG(...) PROTOCOL_FLAG_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__)
-#include "quiche/quic/core/quic_protocol_flags_list.h"
-#undef QUIC_PROTOCOL_FLAG
-
 #define QUICHE_PROTOCOL_FLAG(...) PROTOCOL_FLAG_MACRO_CHOOSER(__VA_ARGS__)(__VA_ARGS__)
 #include "quiche/common/quiche_protocol_flags_list.h"
 #undef QUICHE_PROTOCOL_FLAG
diff --git a/source/common/quic/platform/quiche_flags_impl.h b/source/common/quic/platform/quiche_flags_impl.h
index e65277a3b9e4..e3a8d3f87d7c 100644
--- a/source/common/quic/platform/quiche_flags_impl.h
+++ b/source/common/quic/platform/quiche_flags_impl.h
@@ -49,10 +49,6 @@ class FlagRegistry {
 #include "quiche/quic/core/quic_flags_list.h"
 #undef QUIC_FLAG
 
-#define QUIC_PROTOCOL_FLAG(type, flag, ...) ABSL_DECLARE_FLAG(type, envoy_##flag);
-#include "quiche/quic/core/quic_protocol_flags_list.h"
-#undef QUIC_PROTOCOL_FLAG
-
 #define QUICHE_PROTOCOL_FLAG(type, flag, ...) ABSL_DECLARE_FLAG(type, envoy_##flag);
 #include "quiche/common/quiche_protocol_flags_list.h"
 #undef QUICHE_PROTOCOL_FLAG
diff --git a/test/common/quic/envoy_quic_h3_fuzz_helper.cc b/test/common/quic/envoy_quic_h3_fuzz_helper.cc
index 1994e83c7f40..30f4f69e66e1 100644
--- a/test/common/quic/envoy_quic_h3_fuzz_helper.cc
+++ b/test/common/quic/envoy_quic_h3_fuzz_helper.cc
@@ -27,7 +27,7 @@ class Delegate : public quic::QpackEncoder::DecoderStreamErrorDelegate {
 
 static std::string encodeHeaders(const spdy::Http2HeaderBlock& headers) {
   static Delegate delegate;
-  quic::QpackEncoder encoder(&delegate);
+  quic::QpackEncoder encoder(&delegate, quic::HuffmanEncoding::kEnabled);
   return encoder.EncodeHeaderList(0, headers, nullptr);
 }
 
diff --git a/test/common/quic/platform/quiche_test_impl.h b/test/common/quic/platform/quiche_test_impl.h
index 9ba6263bc638..33dc50af9812 100644
--- a/test/common/quic/platform/quiche_test_impl.h
+++ b/test/common/quic/platform/quiche_test_impl.h
@@ -40,5 +40,7 @@ inline std::string QuicheGetCommonSourcePathImpl() {
   return absl::StrCat(test_srcdir, "/external/com_github_google_quiche/quiche/common");
 }
 
+class QuicheScopedDisableExitOnDFatalImpl {};
+
 } // namespace test
 } // namespace quiche
diff --git a/test/common/quic/test_utils.h b/test/common/quic/test_utils.h
index 7a760158e411..0a1a5938eab4 100644
--- a/test/common/quic/test_utils.h
+++ b/test/common/quic/test_utils.h
@@ -270,7 +270,8 @@ void setQuicConfigWithDefaultValues(quic::QuicConfig* config) {
 std::string spdyHeaderToHttp3StreamPayload(const spdy::Http2HeaderBlock& header) {
   quic::test::NoopQpackStreamSenderDelegate encoder_stream_sender_delegate;
   quic::NoopDecoderStreamErrorDelegate decoder_stream_error_delegate;
-  auto qpack_encoder = std::make_unique<quic::QpackEncoder>(&decoder_stream_error_delegate);
+  auto qpack_encoder = std::make_unique<quic::QpackEncoder>(&decoder_stream_error_delegate,
+                                                            quic::HuffmanEncoding::kEnabled);
   qpack_encoder->set_qpack_stream_sender_delegate(&encoder_stream_sender_delegate);
   // QpackEncoder does not use the dynamic table by default,
   // therefore the value of |stream_id| does not matter.