diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index cdcfc0e7378e8..8fe891d9078dd 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 = "d54b3795e7c3e61015dac2c2110b0da2be999b8e",
-        sha256 = "e95ad57b6b550b039d4baa35c896f7f523e427b7278ba56f22fac6e1bef8c7f0",
+        version = "40fd3d03842c07d65fed907a6b6ed0f89d68d531",
+        sha256 = "b5ae746e66b6209ea0cce86d6c21de99dacbec1da9cdadd53a9ec46bc296a3ba",
         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 = "2020-10-22",
+        release_date = "2020-10-27",
         cpe = "N/A",
     ),
     emscripten_toolchain = dict(
diff --git a/test/tools/wee8_compile/wee8_compile.cc b/test/tools/wee8_compile/wee8_compile.cc
index 42cbfea08a18f..a1b2906ab281c 100644
--- a/test/tools/wee8_compile/wee8_compile.cc
+++ b/test/tools/wee8_compile/wee8_compile.cc
@@ -126,10 +126,22 @@ wasm::vec<byte_t> stripWasmModule(const wasm::vec<byte_t>& module) {
       std::cerr << "ERROR: Failed to parse corrupted Wasm module." << std::endl;
       return wasm::vec<byte_t>::invalid();
     }
-    if (section_type != 0 /* custom section */) {
-      stripped.insert(stripped.end(), section_start, pos + section_len);
+    if (section_type == 0 /* custom section */) {
+      const auto section_data_start = pos;
+      const auto section_name_len = parseVarint(pos, end);
+      if (section_name_len == static_cast<uint32_t>(-1) || pos + section_name_len > end) {
+        std::cerr << "ERROR: Failed to parse corrupted Wasm module." << std::endl;
+        return wasm::vec<byte_t>::invalid();
+      }
+      auto section_name = std::string(pos, section_name_len);
+      if (section_name.find("precompiled_") == std::string::npos) {
+        stripped.insert(stripped.end(), section_start, section_data_start + section_len);
+      }
+      pos = section_data_start + section_len;
+    } else {
+      pos += section_len;
+      stripped.insert(stripped.end(), section_start, pos /* section end */);
     }
-    pos += section_len;
   }
 
   return wasm::vec<byte_t>::make(stripped.size(), stripped.data());