diff --git a/.gitmodules b/.gitmodules
index 9e408a8..9630489 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -22,3 +22,6 @@
 [submodule "external/collar"]
 	path = external/collar
 	url = https://dev.danilafe.com/CS-46X/collar.git
+[submodule "external/cdl"]
+	path = external/cdl
+	url = https://dev.danilafe.com/CS-46x/cdl
diff --git a/external/cdl b/external/cdl
new file mode 160000
index 0000000..0718b4c
--- /dev/null
+++ b/external/cdl
@@ -0,0 +1 @@
+Subproject commit 0718b4c5caa3fe0259fdd6d7fd363936ded03494