diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..7b62c60
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "libpidutil"]
+	path = libpidutil
+	url = https://github.com/farrokhi/libpidutil.git
diff --git a/libpidutil b/libpidutil
new file mode 160000
index 0000000..806c72d
--- /dev/null
+++ b/libpidutil
@@ -0,0 +1 @@
+Subproject commit 806c72d35f2f32426813cfc7051f9259f896d6a4