diff --git a/.gitmodules b/.gitmodules
index bc7b8a4049..f4d94b037a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -813,3 +813,8 @@
 	url = ../redis.git
 	fetchRecurseSubmodules = on-demand
 	branch = .
+[submodule "cobalt"]
+	path = libs/cobalt
+	url = ../cobalt.git
+	fetchRecurseSubmodules = on-demand
+	branch = .
diff --git a/libs/cobalt b/libs/cobalt
new file mode 160000
index 0000000000..abfff39323
--- /dev/null
+++ b/libs/cobalt
@@ -0,0 +1 @@
+Subproject commit abfff393230f25f5e7066bb72cc2f11a40d1ae2e