diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..170d63ff4ab52d339e0fca50d14edf0de1db1242
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "paper_joss_binarycpython"]
+	path = paper_joss_binarycpython
+	url = git@gitlab.com:dhendriks/paper_joss_binarycpython.git
diff --git a/paper_joss_binarycpython b/paper_joss_binarycpython
new file mode 160000
index 0000000000000000000000000000000000000000..14f797c3c5f5f393f9b7dc246e31b1d7e3e291c8
--- /dev/null
+++ b/paper_joss_binarycpython
@@ -0,0 +1 @@
+Subproject commit 14f797c3c5f5f393f9b7dc246e31b1d7e3e291c8
diff --git a/papers/joss_paper/joss_paper_repo b/papers/joss_paper/joss_paper_repo
new file mode 160000
index 0000000000000000000000000000000000000000..bfe1438e43d1f40a8fb4b3adf1f872a427854380
--- /dev/null
+++ b/papers/joss_paper/joss_paper_repo
@@ -0,0 +1 @@
+Subproject commit bfe1438e43d1f40a8fb4b3adf1f872a427854380