diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..f8cc3a5
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "vendor/tiara-gitflow-spec"]
+	path = vendor/tiara-gitflow-spec
+	url = git@bitbucket.org:byteb4rb1e/tiara-gitflow-spec.git
diff --git a/vendor/tiara-gitflow-spec b/vendor/tiara-gitflow-spec
new file mode 160000
index 0000000..ee93479
--- /dev/null
+++ b/vendor/tiara-gitflow-spec
@@ -0,0 +1 @@
+Subproject commit ee93479edce1da28f4abf68a362427f8d3134f80