diff --git a/.bazelrc b/.bazelrc
index 801b7193d4..03aa1d718e 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -28,6 +28,7 @@ build:linux --cxxopt="-fdiagnostics-color=always"
 
 build:windows --cxxopt="/GS-" --cxxopt="/std:c++17" --cxxopt="/permissive-"
 build:windows --cxxopt="/wd4244" --cxxopt="/wd4267" --cxxopt="/wd4819"
+build:windows --cxxopt="/utf-8"
 build:windows --features=windows_export_all_symbols
 
 build:python --define=target_lang=python
diff --git a/setup.py b/setup.py
index fb96d85453..f829602f1a 100644
--- a/setup.py
+++ b/setup.py
@@ -569,6 +569,7 @@ def run(self):
                     f'/DPYBIND11_BUILD_ABI=\\"{torch._C._PYBIND11_BUILD_ABI}\\"',
                     "/GS-",
                     "/permissive-",
+                    "/utf-8",
                 ]
                 if IS_WINDOWS
                 else [