diff --git a/src/configurations.gypi b/src/configurations.gypi
index e990a603..ff42699a 100644
--- a/src/configurations.gypi
+++ b/src/configurations.gypi
@@ -8,11 +8,13 @@
 #
 #     C:\...\winpty\src>msbuild winpty.sln /p:Platform=Win32
 #     C:\...\winpty\src>msbuild winpty.sln /p:Platform=x64
+#     C:\...\winpty\src>msbuild winpty.sln /p:Platform=arm64
 #
 # The output is placed in:
 #
 #     C:\...\winpty\src\Release\Win32
 #     C:\...\winpty\src\Release\x64
+#     C:\...\winpty\src\Release\arm64
 #
 # Windows XP note: By default, the project files will use the default "toolset"
 # for the given MSVC version.  For MSVC 2013 and MSVC 2015, the default toolset
@@ -42,6 +44,9 @@
             'Release_x64': {
                 'msvs_configuration_platform': 'x64',
             },
+            'Release_arm64': {
+                'msvs_configuration_platform': 'arm64',
+            },
         },
         'msvs_configuration_attributes': {
             'OutputDirectory': '$(SolutionDir)$(ConfigurationName)\\$(Platform)',