diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..2b75c05
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "t/sharness"]
+	path = t/sharness
+	url = https://github.com/felipec/sharness.git
diff --git a/t/sharness b/t/sharness
new file mode 160000
index 0000000..bddd067
--- /dev/null
+++ b/t/sharness
@@ -0,0 +1 @@
+Subproject commit bddd0671e60968fb20763f503b8b4c27c944035b