diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index 8d60741072d4e..b3bc82abde4e5 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -830,8 +830,8 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "WebAssembly for Proxies (C++ host implementation)",
         project_desc = "WebAssembly for Proxies (C++ host implementation)",
         project_url = "https://github.com/proxy-wasm/proxy-wasm-cpp-host",
-        version = "c5658d34979abece30882b1eeaa95b6ee965d825",
-        sha256 = "dc3a794424b7679c3dbcf23548e202aa01e9f9093791b95446b99e8524e03c4f",
+        version = "2d4bfe9c29fc957c3c4e81e6575773801eedade1",
+        sha256 = "02b50d42ee715f07314f928dd959ff558a32ea6332a698ee6e21e93632c64f52",
         strip_prefix = "proxy-wasm-cpp-host-{version}",
         urls = ["https://github.com/proxy-wasm/proxy-wasm-cpp-host/archive/{version}.tar.gz"],
         use_category = ["dataplane_ext"],
@@ -842,7 +842,7 @@ REPOSITORY_LOCATIONS_SPEC = dict(
             "envoy.filters.network.wasm",
             "envoy.stat_sinks.wasm",
         ],
-        release_date = "2020-10-16",
+        release_date = "2020-10-21",
         cpe = "N/A",
     ),
     # TODO: upgrade to the latest version (1.41 currently fails tests)
diff --git a/test/extensions/bootstrap/wasm/wasm_test.cc b/test/extensions/bootstrap/wasm/wasm_test.cc
index 9511a91c96a9c..2befcbd97cba7 100644
--- a/test/extensions/bootstrap/wasm/wasm_test.cc
+++ b/test/extensions/bootstrap/wasm/wasm_test.cc
@@ -222,21 +222,6 @@ TEST_P(WasmTest, DivByZero) {
   wasm_->isFailed();
 }
 
-TEST_P(WasmTest, EmscriptenVersion) {
-  createWasm();
-  const auto code = TestEnvironment::readFileToStringForTest(TestEnvironment::substitute(
-      "{{ test_rundir }}/test/extensions/bootstrap/wasm/test_data/segv_cpp.wasm"));
-  EXPECT_FALSE(code.empty());
-  EXPECT_TRUE(wasm_->initialize(code, false));
-  uint32_t major = 9, minor = 9, abi_major = 9, abi_minor = 9;
-  EXPECT_TRUE(wasm_->getEmscriptenVersion(&major, &minor, &abi_major, &abi_minor));
-  EXPECT_EQ(major, 0);
-  EXPECT_LE(minor, 3);
-  // Up to (at least) emsdk 1.39.6.
-  EXPECT_EQ(abi_major, 0);
-  EXPECT_LE(abi_minor, 20);
-}
-
 TEST_P(WasmTest, IntrinsicGlobals) {
   createWasm();
   const auto code = TestEnvironment::readFileToStringForTest(TestEnvironment::substitute(
diff --git a/test/extensions/common/wasm/wasm_test.cc b/test/extensions/common/wasm/wasm_test.cc
index f17d0ca859d6d..24b05bdb6163d 100644
--- a/test/extensions/common/wasm/wasm_test.cc
+++ b/test/extensions/common/wasm/wasm_test.cc
@@ -348,44 +348,6 @@ TEST_P(WasmCommonTest, DivByZero) {
   wasm->start(plugin);
 }
 
-TEST_P(WasmCommonTest, EmscriptenVersion) {
-  if (GetParam() != "v8") {
-    return;
-  }
-  Stats::IsolatedStoreImpl stats_store;
-  Api::ApiPtr api = Api::createApiForTest(stats_store);
-  Upstream::MockClusterManager cluster_manager;
-  Event::DispatcherPtr dispatcher(api->allocateDispatcher("wasm_test"));
-  auto scope = Stats::ScopeSharedPtr(stats_store.createScope("wasm."));
-  NiceMock<LocalInfo::MockLocalInfo> local_info;
-  auto name = "";
-  auto root_id = "";
-  auto vm_id = "";
-  auto vm_configuration = "";
-  auto plugin_configuration = "";
-  const auto code = TestEnvironment::readFileToStringForTest(TestEnvironment::substitute(
-      "{{ test_rundir }}/test/extensions/common/wasm/test_data/test_cpp.wasm"));
-  EXPECT_FALSE(code.empty());
-  auto plugin = std::make_shared<Extensions::Common::Wasm::Plugin>(
-      name, root_id, vm_id, GetParam(), plugin_configuration, false,
-      envoy::config::core::v3::TrafficDirection::UNSPECIFIED, local_info, nullptr);
-  auto vm_key = proxy_wasm::makeVmKey(vm_id, vm_configuration, code);
-  auto wasm = std::make_unique<Extensions::Common::Wasm::Wasm>(
-      absl::StrCat("envoy.wasm.runtime.", GetParam()), vm_id, vm_configuration, vm_key, scope,
-      cluster_manager, *dispatcher);
-  EXPECT_NE(wasm, nullptr);
-  auto context = std::make_unique<TestContext>(wasm.get());
-  EXPECT_TRUE(wasm->initialize(code, false));
-
-  uint32_t major = 9, minor = 9, abi_major = 9, abi_minor = 9;
-  EXPECT_TRUE(wasm->getEmscriptenVersion(&major, &minor, &abi_major, &abi_minor));
-  EXPECT_EQ(major, 0);
-  EXPECT_LE(minor, 3);
-  // Up to (at least) emsdk 1.39.6.
-  EXPECT_EQ(abi_major, 0);
-  EXPECT_LE(abi_minor, 20);
-}
-
 TEST_P(WasmCommonTest, IntrinsicGlobals) {
   Stats::IsolatedStoreImpl stats_store;
   Api::ApiPtr api = Api::createApiForTest(stats_store);
diff --git a/test/extensions/common/wasm/wasm_vm_test.cc b/test/extensions/common/wasm/wasm_vm_test.cc
index af7816f20d0ad..dd32f0a1ed2b6 100644
--- a/test/extensions/common/wasm/wasm_vm_test.cc
+++ b/test/extensions/common/wasm/wasm_vm_test.cc
@@ -157,7 +157,6 @@ TEST_P(WasmVmTest, V8Code) {
     EXPECT_TRUE(!wasm_vm->getCustomSection(wasm_vm->getPrecompiledSectionName()).empty());
   }
   EXPECT_THAT(wasm_vm->getCustomSection("producers"), HasSubstr("rustc"));
-  EXPECT_TRUE(wasm_vm->getCustomSection("emscripten_metadata").empty());
 
   EXPECT_TRUE(wasm_vm->cloneable() == Cloneable::CompiledBytecode);
   EXPECT_TRUE(wasm_vm->clone() != nullptr);