diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..083047ed
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "CommonCore"]
+	path = CommonCore
+	url = gitea@steamwar.de:SteamWar/CommonCore.git
diff --git a/CommonCore b/CommonCore
new file mode 160000
index 00000000..d93d8026
--- /dev/null
+++ b/CommonCore
@@ -0,0 +1 @@
+Subproject commit d93d8026812f4956a4f8b3b0a958d88b215c6cbf