diff --git a/BUILD b/BUILD
index 37d46fa3..846242a3 100644
--- a/BUILD
+++ b/BUILD
@@ -236,6 +236,7 @@ proto_library(
         "//envoy/extensions/filters/network/wasm/v3:pkg",
         "//envoy/extensions/filters/network/zookeeper_proxy/v3:pkg",
         "//envoy/extensions/filters/udp/dns_filter/v3:pkg",
+        "//envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3:pkg",
         "//envoy/extensions/filters/udp/udp_proxy/v3:pkg",
         "//envoy/extensions/formatter/cel/v3:pkg",
         "//envoy/extensions/formatter/metadata/v3:pkg",
diff --git a/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3/BUILD b/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3/BUILD
new file mode 100644
index 00000000..ee92fb65
--- /dev/null
+++ b/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3/BUILD
@@ -0,0 +1,9 @@
+# DO NOT EDIT. This file is generated by tools/proto_format/proto_sync.py.
+
+load("@envoy_api//bazel:api_build_system.bzl", "api_proto_package")
+
+licenses(["notice"])  # Apache 2
+
+api_proto_package(
+    deps = ["@com_github_cncf_udpa//udpa/annotations:pkg"],
+)
diff --git a/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3/http_capsule.proto b/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3/http_capsule.proto
new file mode 100644
index 00000000..e3455462
--- /dev/null
+++ b/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3/http_capsule.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package envoy.extensions.filters.udp.udp_proxy.session.http_capsule.v3;
+
+import "udpa/annotations/status.proto";
+
+option java_package = "io.envoyproxy.envoy.extensions.filters.udp.udp_proxy.session.http_capsule.v3";
+option java_outer_classname = "HttpCapsuleProto";
+option java_multiple_files = true;
+option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3;http_capsulev3";
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+
+// [#protodoc-title: UDP HTTP Capsule filter]
+// UDP to HTTP capsules :ref:`overview <config_udp_session_filters_http_capsule>`.
+// [#extension: envoy.filters.udp.session.http_capsule]
+
+message FilterConfig {
+}
diff --git a/envoy/extensions/filters/udp/udp_proxy/v3/udp_proxy.proto b/envoy/extensions/filters/udp/udp_proxy/v3/udp_proxy.proto
index 25560b5c..9d14b582 100644
--- a/envoy/extensions/filters/udp/udp_proxy/v3/udp_proxy.proto
+++ b/envoy/extensions/filters/udp/udp_proxy/v3/udp_proxy.proto
@@ -127,5 +127,6 @@ message UdpProxyConfig {
 
   // Optional session filters that will run for each UDP session.
   // Only one of use_per_packet_load_balancing or session_filters can be used.
+  // [#extension-category: envoy.filters.udp.session]
   repeated SessionFilter session_filters = 11;
 }
diff --git a/versioning/BUILD b/versioning/BUILD
index 9b4dc169..902e803f 100644
--- a/versioning/BUILD
+++ b/versioning/BUILD
@@ -174,6 +174,7 @@ proto_library(
         "//envoy/extensions/filters/network/wasm/v3:pkg",
         "//envoy/extensions/filters/network/zookeeper_proxy/v3:pkg",
         "//envoy/extensions/filters/udp/dns_filter/v3:pkg",
+        "//envoy/extensions/filters/udp/udp_proxy/session/http_capsule/v3:pkg",
         "//envoy/extensions/filters/udp/udp_proxy/v3:pkg",
         "//envoy/extensions/formatter/cel/v3:pkg",
         "//envoy/extensions/formatter/metadata/v3:pkg",