diff --git a/.gitmodules b/.gitmodules
index a36eda8..6821003 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -52,3 +52,6 @@
 [submodule "plumage"]
 	path = plumage
 	url = git@github.com:kdeldycke/plumage.git
+[submodule "sundown"]
+	path = sundown
+	url = https://github.com/keningle/pelican-sundown.git
diff --git a/sundown b/sundown
new file mode 160000
index 0000000..c25ac1e
--- /dev/null
+++ b/sundown
@@ -0,0 +1 @@
+Subproject commit c25ac1e829fc2548f084d4496e71ddfce3e86922