diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..bbb094f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "plugins/aiida-pycce"]
+	path = plugins/aiida-pycce
+	url = https://github.com/mathtoriyama/aiida-pycce
diff --git a/plugins/aiida-pycce b/plugins/aiida-pycce
new file mode 160000
index 0000000..ec1874f
--- /dev/null
+++ b/plugins/aiida-pycce
@@ -0,0 +1 @@
+Subproject commit ec1874fe15d4b3f4c5e03e19d99558e947dd2786