diff --git a/Makefile.am b/Makefile.am
index d770b9c00f..05c2c5c1b3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -590,6 +590,7 @@ java_EXTRA_DIST=
   java/lite/src/test/java/com/google/protobuf/LiteTest.java                        \
   java/BUILD.bazel                                                                 \
   java/pom.xml                                                                     \
+  java/protoc/pom.xml                                                              \
   java/util/BUILD.bazel                                                            \
   java/util/pom.xml                                                                \
   java/util/pom_template.xml                                                       \
diff --git a/java/BUILD.bazel b/java/BUILD.bazel
index b3178c9f84..2c6582ce95 100644
--- a/java/BUILD.bazel
+++ b/java/BUILD.bazel
@@ -33,6 +33,7 @@ pkg_files(
         "bom/pom.xml",
         "lite.md",
         "pom.xml",
+        "protoc/pom.xml",
     ],
     strip_prefix = strip_prefix.from_root(""),
     visibility = ["//pkg:__pkg__"],
diff --git a/src/google/protobuf/compiler/subprocess.cc b/src/google/protobuf/compiler/subprocess.cc
index 764f9aba38..6f547db795 100644
--- a/src/google/protobuf/compiler/subprocess.cc
+++ b/src/google/protobuf/compiler/subprocess.cc
@@ -47,6 +47,7 @@
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/stubs/substitute.h>
 #include <google/protobuf/message.h>
+#include <google/protobuf/io/io_win32.h>
 
 namespace google {
 namespace protobuf {
@@ -113,7 +114,7 @@ void Subprocess::Start(const std::string& program, SearchMode search_mode) {
   }
 
   // Setup STARTUPINFO to redirect handles.
-  STARTUPINFOA startup_info;
+  STARTUPINFOW startup_info;
   ZeroMemory(&startup_info, sizeof(startup_info));
   startup_info.cb = sizeof(startup_info);
   startup_info.dwFlags = STARTF_USESTDHANDLES;
@@ -125,17 +126,30 @@ void Subprocess::Start(const std::string& program, SearchMode search_mode) {
     GOOGLE_LOG(FATAL) << "GetStdHandle: " << Win32ErrorMessage(GetLastError());
   }
 
+  // get wide string version of program as the path may contain non-ascii characters
+  std::wstring wprogram;
+  if (!io::win32::strings::utf8_to_wcs(program.c_str(), &wprogram)) {
+    GOOGLE_LOG(FATAL) << "utf8_to_wcs: " << Win32ErrorMessage(GetLastError());
+  }
+
   // Invoking cmd.exe allows for '.bat' files from the path as well as '.exe'.
+  std::string command_line = "cmd.exe /c \"" + program + "\"";
+
+  // get wide string version of command line as the path may contain non-ascii characters
+  std::wstring wcommand_line;
+  if (!io::win32::strings::utf8_to_wcs(command_line.c_str(), &wcommand_line)) {
+    GOOGLE_LOG(FATAL) << "utf8_to_wcs: " << Win32ErrorMessage(GetLastError());
+  }
+
   // Using a malloc'ed string because CreateProcess() can mutate its second
   // parameter.
-  char* command_line =
-      portable_strdup(("cmd.exe /c \"" + program + "\"").c_str());
+  wchar_t *wcommand_line_copy = _wcsdup(wcommand_line.c_str());
 
   // Create the process.
   PROCESS_INFORMATION process_info;
 
-  if (CreateProcessA((search_mode == SEARCH_PATH) ? nullptr : program.c_str(),
-                     (search_mode == SEARCH_PATH) ? command_line : nullptr,
+  if (CreateProcessW((search_mode == SEARCH_PATH) ? nullptr : wprogram.c_str(),
+                     (search_mode == SEARCH_PATH) ? wcommand_line_copy : NULL,
                      nullptr,  // process security attributes
                      nullptr,  // thread security attributes
                      TRUE,     // inherit handles?
@@ -155,7 +169,7 @@ void Subprocess::Start(const std::string& program, SearchMode search_mode) {
 
   CloseHandleOrDie(stdin_pipe_read);
   CloseHandleOrDie(stdout_pipe_write);
-  free(command_line);
+  free(wcommand_line_copy);
 }
 
 bool Subprocess::Communicate(const Message& input, Message* output,