diff --git a/cpplint.bat b/cpplint.bat
index 4b916c086..b1d440124 100644
--- a/cpplint.bat
+++ b/cpplint.bat
@@ -8,4 +8,4 @@ setlocal
 :: standalone, but allow other PATH manipulations to take priority.
 set PATH=%PATH%;%~dp0
 
-python "%~dp0cpplint.py" %*
+python3 "%~dp0cpplint.py" %*
diff --git a/win_toolchain/get_toolchain_if_necessary.py b/win_toolchain/get_toolchain_if_necessary.py
index 5f2ada6ed..aa556cba4 100755
--- a/win_toolchain/get_toolchain_if_necessary.py
+++ b/win_toolchain/get_toolchain_if_necessary.py
@@ -481,7 +481,7 @@ def main():
     # This script requires Windows Python, so invoke with depot_tools' Python.
     def winpath(path):
       return subprocess.check_output(['cygpath', '-w', path]).strip()
-    python = os.path.join(DEPOT_TOOLS_PATH, 'python.bat')
+    python = os.path.join(DEPOT_TOOLS_PATH, 'python3.bat')
     cmd = [python, winpath(__file__)]
     if args.output_json:
       cmd.extend(['--output-json', winpath(args.output_json)])