diff --git a/.gitmodules b/.gitmodules
index 5fc53114..7d13a22b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "python/ycm/completers/python/jedi"]
 	path = python/ycm/completers/python/jedi
 	url = https://github.com/davidhalter/jedi.git
+[submodule "python/ycm/completers/cs/OmniSharpServer"]
+	path = python/ycm/completers/cs/OmniSharpServer
+	url = https://github.com/nosami/OmniSharpServer.git
diff --git a/python/ycm/completers/cs/OmniSharpServer b/python/ycm/completers/cs/OmniSharpServer
new file mode 160000
index 00000000..9f961dad
--- /dev/null
+++ b/python/ycm/completers/cs/OmniSharpServer
@@ -0,0 +1 @@
+Subproject commit 9f961dad7ce7ef827e07e0d94b1f026ef088338d