diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..298af3b
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "gromacs"]
+	path = gromacs
+	url = git@github.com:gromacs/gromacs.git
diff --git a/gromacs b/gromacs
new file mode 160000
index 0000000..d1a07e2
--- /dev/null
+++ b/gromacs
@@ -0,0 +1 @@
+Subproject commit d1a07e21a9e92e374ebd40da2c39ff223a9138e1