diff --git a/.gitmodules b/.gitmodules
index 1b4b5c463..0cb1d2873 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -46,3 +46,6 @@
 [submodule "ref/Avalonia8"]
 	path = ref/Avalonia8
 	url = https://github.com/BeyondDimension/Avalonia8
+[submodule "ref/dotnetCampus.Ipc"]
+	path = ref/dotnetCampus.Ipc
+	url = https://github.com/BeyondDimension/dotnetCampus.Ipc
diff --git a/ref/dotnetCampus.Ipc b/ref/dotnetCampus.Ipc
new file mode 160000
index 000000000..c728ca3f0
--- /dev/null
+++ b/ref/dotnetCampus.Ipc
@@ -0,0 +1 @@
+Subproject commit c728ca3f03f59189323aefc9a41ee41ee75272ce