diff --git a/bazel/protobuf.patch b/bazel/protobuf.patch
index a6318ce8e49ff..a8c5e959ddbe8 100644
--- a/bazel/protobuf.patch
+++ b/bazel/protobuf.patch
@@ -1,32 +1,24 @@
-# https://github.com/protocolbuffers/protobuf/pull/6720
-diff --git a/third_party/BUILD b/third_party/BUILD
-new file mode 100644
-index 0000000000..b66101a39a
---- /dev/null
-+++ b/third_party/BUILD
-@@ -0,0 +1,1 @@
-+exports_files(["six.BUILD", "zlib.BUILD"])
 diff --git a/BUILD b/BUILD
-index 7de87f884..3f0fd5362 100644
+index 1690d4219..8a7f1bf14 100644
 --- a/BUILD
 +++ b/BUILD
 @@ -19,7 +19,7 @@ exports_files(["LICENSE"])
  # ZLIB configuration
  ################################################################################
-
+ 
 -ZLIB_DEPS = ["@zlib//:zlib"]
 +ZLIB_DEPS = ["//external:zlib"]
-
+ 
  ################################################################################
  # Protobuf Runtime Library
 diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
-index cb4740412..91fe69ce5 100644
+index 68087e550..0a2d63e73 100644
 --- a/python/google/protobuf/__init__.py
 +++ b/python/google/protobuf/__init__.py
 @@ -31,3 +31,9 @@
  # Copyright 2007 Google Inc. All Rights Reserved.
-
- __version__ = '3.18.0'
+ 
+ __version__ = '3.19.0'
 +
 +if __name__ != '__main__':
 +  try:
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index ae5295c721c00..8980e2e2570c3 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -626,12 +626,12 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "Protocol Buffers",
         project_desc = "Language-neutral, platform-neutral extensible mechanism for serializing structured data",
         project_url = "https://developers.google.com/protocol-buffers",
-        version = "3.18.0",
-        sha256 = "52b6160ae9266630adb5e96a9fc645215336371a740e87d411bfb63ea2f268a0",
+        version = "3.19.0",
+        sha256 = "7b8d3ac3d6591ce9d25f90faba80da78d0ef620fda711702367f61a40ba98429",
         strip_prefix = "protobuf-{version}",
         urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v{version}/protobuf-all-{version}.tar.gz"],
         use_category = ["dataplane_core", "controlplane"],
-        release_date = "2021-09-15",
+        release_date = "2021-10-20",
         cpe = "cpe:2.3:a:google:protobuf:*",
     ),
     grpc_httpjson_transcoding = dict(