diff --git a/.gitmodules b/.gitmodules
index 3093a32c..daaffdbd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -20,3 +20,6 @@
 [submodule "pupy/external/pywerview"]
 	path = pupy/external/pywerview
 	url = https://github.com/the-useless-one/pywerview.git
+[submodule "pupy/external/winpty"]
+	path = pupy/external/winpty
+	url = https://github.com/alxchk/winpty
diff --git a/pupy/external/winpty b/pupy/external/winpty
new file mode 160000
index 00000000..a19853fe
--- /dev/null
+++ b/pupy/external/winpty
@@ -0,0 +1 @@
+Subproject commit a19853fe64c0c7af6b719154cd3075da9d473686