diff --git a/api/tools/data/tap2pcap_h2_ipv4.txt b/api/tools/data/tap2pcap_h2_ipv4.txt
index f46bd469b8ca..ac8785ac1e49 100644
--- a/api/tools/data/tap2pcap_h2_ipv4.txt
+++ b/api/tools/data/tap2pcap_h2_ipv4.txt
@@ -1,6 +1,6 @@
     1   0.000000    127.0.0.1 → 127.0.0.1    HTTP2 157 Magic, SETTINGS[0], WINDOW_UPDATE[0], HEADERS[1]: GET /
     2   0.013713    127.0.0.1 → 127.0.0.1    HTTP2 91 SETTINGS[0], SETTINGS[0], WINDOW_UPDATE[0]
-    3   0.013820    127.0.0.1 → 127.0.0.1    HTTP2 63 SETTINGS[0]
+    3   0.013821    127.0.0.1 → 127.0.0.1    HTTP2 63 SETTINGS[0]
     4   0.128649    127.0.0.1 → 127.0.0.1    HTTP2 5586 HEADERS[1]: 200 OK
-    5   0.130006    127.0.0.1 → 127.0.0.1    HTTP2 7573 DATA[1]
-    6   0.131044    127.0.0.1 → 127.0.0.1    HTTP2 3152 DATA[1], DATA[1] (text/html)
+    5   0.130007    127.0.0.1 → 127.0.0.1    HTTP2 7573 DATA[1]
+    6   0.131045    127.0.0.1 → 127.0.0.1    HTTP2 3152 DATA[1], DATA[1] (text/html)
diff --git a/bazel/protobuf.patch b/bazel/protobuf.patch
index 69c7cc28e0ba..d51b67e92457 100644
--- a/bazel/protobuf.patch
+++ b/bazel/protobuf.patch
@@ -1,13 +1,13 @@
 diff --git a/src/google/protobuf/stubs/strutil.cc b/src/google/protobuf/stubs/strutil.cc
-index 1d34870deb..3844fa6b8b 100644
+index 3844fa6b8b..5486887295 100644
 --- a/src/google/protobuf/stubs/strutil.cc
 +++ b/src/google/protobuf/stubs/strutil.cc
-@@ -1116,10 +1116,12 @@ char* FastUInt64ToBufferLeft(uint64 u64, char* buffer) {
+@@ -1065,10 +1065,12 @@ char* FastUInt32ToBufferLeft(uint32 u, char* buffer) {
  }
  
- char* FastInt64ToBufferLeft(int64 i, char* buffer) {
--  uint64 u = i;
-+  uint64 u = 0;
+ char* FastInt32ToBufferLeft(int32 i, char* buffer) {
+-  uint32 u = i;
++  uint32 u = 0;
    if (i < 0) {
      *buffer++ = '-';
 -    u = -i;
@@ -15,20 +15,19 @@ index 1d34870deb..3844fa6b8b 100644
 +  } else {
 +    u = i;
    }
-   return FastUInt64ToBufferLeft(u, buffer);
+   return FastUInt32ToBufferLeft(u, buffer);
  }
-diff --git a/src/google/protobuf/text_format.cc b/src/google/protobuf/text_format.cc
-index ba0c3028ee..801a8e3786 100644
---- a/src/google/protobuf/text_format.cc
-+++ b/src/google/protobuf/text_format.cc
-@@ -1315,7 +1315,9 @@ class TextFormat::Printer::TextGenerator
-     while (size > buffer_size_) {
-       // Data exceeds space in the buffer. Write what we can and request a new
-       // buffer.
--      memset(buffer_, ' ', buffer_size_);
-+      if (buffer_size_ > 0) {
-+        memset(buffer_, ' ', buffer_size_);
-+      }
-       size -= buffer_size_;
-       void* void_buffer;
-       failed_ = !output_->Next(&void_buffer, &buffer_size_);
+
+diff --git a/BUILD b/BUILD
+index 6665de94..55f28582 100644
+--- a/BUILD
++++ b/BUILD
+@@ -19,6 +19,6 @@ config_setting(
+ # ZLIB configuration
+ ################################################################################
+ 
+-ZLIB_DEPS = ["@zlib//:zlib"]
++ZLIB_DEPS = ["//external:zlib"]
+ 
+ ################################################################################
+ # Protobuf Runtime Library
\ No newline at end of file
diff --git a/bazel/repositories.bzl b/bazel/repositories.bzl
index c957a1b8cd5c..ed14486d3a5e 100644
--- a/bazel/repositories.bzl
+++ b/bazel/repositories.bzl
@@ -486,9 +486,10 @@ def _com_google_absl():
 def _com_google_protobuf():
     _repository_impl(
         "com_google_protobuf",
-        # The patch is only needed until
-        # https://github.com/protocolbuffers/protobuf/pull/5901 is available.
-        # TODO(htuch): remove this when > protobuf 3.7.1 is released.
+        # The patch includes
+        # https://github.com/protocolbuffers/protobuf/pull/6333 and also uses
+        # foreign_cc build for zlib as its dependency.
+        # TODO(asraa): remove this when > protobuf 3.8.0 is released.
         patch_args = ["-p1"],
         patches = ["@envoy//bazel:protobuf.patch"],
     )
@@ -499,9 +500,10 @@ def _com_google_protobuf():
     _repository_impl(
         "com_google_protobuf_cc",
         repository_key = "com_google_protobuf",
-        # The patch is only needed until
-        # https://github.com/protocolbuffers/protobuf/pull/5901 is available.
-        # TODO(htuch): remove this when > protobuf 3.7.1 is released.
+        # The patch includes
+        # https://github.com/protocolbuffers/protobuf/pull/6333 and also uses
+        # foreign_cc build for zlib as its dependency.
+        # TODO(asraa): remove this when > protobuf 3.8.0 is released.
         patch_args = ["-p1"],
         patches = ["@envoy//bazel:protobuf.patch"],
     )
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index 58c12e35916f..6e25d2fd589e 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -205,9 +205,9 @@ REPOSITORY_LOCATIONS = dict(
         urls = ["https://github.com/google/googletest/archive/d7003576dd133856432e2e07340f45926242cc3a.tar.gz"],
     ),
     com_google_protobuf = dict(
-        sha256 = "c10ef8d8ad5a9e5f850483051b7f9ee2c8bb3ca2e0e16a4cf105bd1321afb2d6",
-        strip_prefix = "protobuf-3.7.1",
-        urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v3.7.1/protobuf-all-3.7.1.tar.gz"],
+        sha256 = "b7220b41481011305bf9100847cf294393973e869973a9661046601959b2960b",
+        strip_prefix = "protobuf-3.8.0",
+        urls = ["https://github.com/protocolbuffers/protobuf/releases/download/v3.8.0/protobuf-all-3.8.0.tar.gz"],
     ),
     grpc_httpjson_transcoding = dict(
         sha256 = "dedd76b0169eb8c72e479529301a1d9b914a4ccb4d2b5ddb4ebe92d63a7b2152",